Wednesday, October 30, 2019
Competition law Essay Example | Topics and Well Written Essays - 3750 words
Competition law - Essay Example Due to the influx of complaints that reaches the office of the European Court of Justice, a new accord was passed to devolve the function to the national competition authority and the national courts of each jurisdiction. The new process was formulated to ensure that more focus is given to each complaints and also to ensure that proper monitoring of the conduct of the companies within each jurisdiction is well managed. As it is there are three ways wherein monopolies or cartels can be broken. Through notification where the companies themselves will submit to the regime of the national competition authority the agreements it will enter into with a company within the same industry. The Notification process will certify and state the reason to the National Competition Commission on why the agreement is not in violation of the anti cartel law. The other process wherein attention to the existence of the cartel will be put to the fore is through the initiation of a complaint against the ca rtel or the companies that make up the cartels. It is normally lodged by consumers acting to preserve and protect its interest against acts by company considered as against public policy. The National Commission itself acting on its behalf and in congruence with its power may investigate and launch its inquiry as to the existence of the cartel. The process enunciated above at first instance can be considered as laudable due to the focused implementation of the law by the National Competition Authority of each jurisdiction. To illustrate: The notification process only provides a prima facie evidence that would make the companies involved in the agreement or alliance. This will pave the way for undocumented gentlemenââ¬â¢s agreement to be hatched in golf courses or similar fora. While more powers are given to the National Competition Authority to assess, rule and provide guidance to companies willing to submit itself to the regime of the NCA, the European Court of Justice have effe ctively reduced its clout over the TFEU. Legal backGround In 1952, the European Coal and Steel Community (ECSC) was created not only to boost economic growth in Europe in the aftermath of the Second World War but more importantly, to foster lasting peace. This treaty marked the beginning of the free movement of coal and steel and it guaranteed access to sources of production as well as the establishment of fair competition rules and price transparency. Under this Treaty, three cases were identified as hindrance to free trade and fair competitionââ¬âagreements, concentrations and the abuse of dominant positions thus it explicitly provided that any agreement and undertaking could be nullified or an association could be disbanded if they would likely promote unfair competition or directly or indirectly prevent, restrict or distort free enterprise or fair competition. The European Economic Community (then known as EEC but now referred to as the EC Treaty) pursuant to the Treaties of Rome established the single or common European market on 1 January 1958. Under this Treaty, the free movement of people, goods and services were similarly conferred to achieve the envisioned economic development under the single or com
Monday, October 28, 2019
Finches in the Galapagos Islands Essay Example for Free
Finches in the Galapagos Islands Essay English naturalist, Charles Darwin, believed the finches he collected and observed on the Galapagos Islands shared a common ancestor because he found they all greatly resembled a bird located on the Ecuadorian coast off South America. When Darwin initially began his journey on the Beagle, he was biased toward the widely accepted idea that every living thing on Earth was a divine creation, which remained unchanging and existing as it was originally created. However, when Darwin arrived on the Galapagos Island he began to see a flaw in this theory. Examining and collecting the islands animal population closely and carefully he began to see uncanny similarities between the animals upon the island and the animals on the South America mainland. For example, Darwin discovered that the fossils of extinct armadillos and the currently living armadillo population on the island had many of the same features, though the current population of armadillos had certain characteristic that helped it survive in the islands environment. Using this, the finches and other animal specimens, he was struck by the idea that this animals must have migrated long ago from South America to the island, giving rise to a new and thriving animal population. Darwin was also able to conclude the finches shared a common ancestor from the written works of Charles Lyell and Thomas Malthus. While sailing on the Beagle toward the island, he was able to read and analyze Charles Lyells Princeples of Geology which, discussed in great detail, the Jean Batispe Lamarck theory of evolution. He believed animal structures evolved over time due to frequent use or disuse, and was eventually passed through to their offspring. For example he proposed the lengthing of the giraffes neck was due in part to the trees it lived among. In order for it to obtain its food it had to crane its neck forward and reach up. Lamarck, believe, over time, the giraffes structure eventually began to get longer and longer as it was passed from each genernertaion of offspring.
Saturday, October 26, 2019
Women and Love In Chaucer Essay -- Chaucer Poetry Poem Essays
Women and Love In Chaucer à à à à à Chaucer's opinion of women and his views on love are very prominently featured in his poetry. Focusing on women, one must first examine the popular views concerning women during Chaucer's time. Arlyn Diamond writes of Chaucer that, ". . . he accepts uneasily the medieval view of women as either better or worse than men, but never quite the same." (Green 3) This is evident in Chaucer's portrayal of women in such poems as "The Wife of Bath" and "The Clerk's Tale" which assault the reader with antithetical views of women. The Wife of Bath is one of the most memorable characters Chaucer ever created. She is considered, in view of Diamond's statement, to be better than the men in her life. Patient Griselda in "The Clerk's Tale" is a peasant woman, married to a nobleman, who tests her loyalty through a series of ordeals in which she is lead to believe her children to be murdered. In this tale Chaucer is exposing his reader to a woman who is beneath her husband, and is treated horribly by him. Chaucer frequently treats the women he writes about as objects, some prize to be won by the heroic man. This is evident in "The Knight's Tale," in which the two protagonists, Palamon and Arcite, war over the hand of Emily, who they have never met, but only gazed upon from a distance. Their devotion to her branches not from love, but the want of men to contain and control the women surrounding them. Now on to the subject of love. Chaucer writes in "The Knight's Tale" of a love based on physical beauty, where the two protagonists fall in love at first sight. This is a common device used in medieval literature to create conflict between characters. "The Book of the Duchess" focuses on the real love between the Black Knight, and the White Woman. This allows Chaucer to explore the nature of love in context. à à à à à Chaucer's Wife of Bath is a domineering woman who demands the men in her life to be subservient. The reader gains from her prologue that she is concerned with sovereignty, which she views as the control or mastery in the relationship. She does not appear to truly love any of her husbands. The first three are older men whom she seems to marry for their money. They pass on quickly leaving her with wealth, standing, and the chance to find herself a more suitable man. Her fourth husband was a profligate, a man of loose morals, who keeps ... ...t sight. The pointless death of Arcite only emphasizes the hollow nature of this love. Love in "The Book of the Duchess" is treated differently. When Arcite dies there is no real pain felt for his loss. This is not the case with the death of the Black Knight's lady. Chaucer spends about eight hundred lines allowing the knight to lament his lost love. In his poetry Chaucer tries to be sympathetic to the plight of women. He endeavors to discuss love honestly, accepting the contradictory types of love and giving them all equal opportunity to prove themselves. The problem, however, lies in the subjects, for no matter how long or intently you look at them, they will always be as complex and incomprehensible as they always were. Works Cited à à à à à Green, Richard Firth. "Chaucer's Victimized Women." Studies in the Age of Chaucer. Ed. Thomas J. Heffernan. Vol. 10. 1988. 3-21. à à à à à Wynne-Davis, Marion., ed. The Tales of the Clerk and the Wife of Bath. By Geoffrey Chaucer. Routledge: New York, 1992. à à à à à Edwards, Robert R. Stephen Spector. Ed. The Olde Daunce: Love, Friendship, Sex, and Marriage in the Medieval World. Albany: State University of New York Press. 1991 154-176.
Thursday, October 24, 2019
Criminology DNA Forensic Science Essay
We begin life as a single cell zygote, about 0. 1mm in diameter. The numerous biological instructions that enable our developmental and functional processes to occur from zygote to adult are encoded in the deoxyribonucleic acid (DNA). Forensic DNA analysis involves the intersection of several scientific disciplines, including molecular biology, genetics, and statistical analysis (Lynch, 2013). In order to understand the usefulness and the limitations of DNA in the analysis of physical evidence, it is important to be familiar with the basics principles underlying these diverse disciplines. Besides identical twins, each individualââ¬â¢s DNA is unique. After all it is the genetic material that contains all the information necessary for any organism to develop and function. However, only a one-half percent that is of interest to forensics scientists. This is the portion that varies greatly between individuals and it is what manifests itself in the individual traits such as eye color, hair color, and blood type. Most often the differences in DNA sequence do not show themselves in physical appearance; however, these sequences can only be examined using special laboratory techniques. Forensic scientists use these genetic differences from DNA to distinguish an individual between the individuals in a population. In 1944 Oswald Avery defined the role of the cellular component known as DNA as the vehicle of generational transference of heritable traits. In 1953, James Watson and Francis Crick elucidated the structure of the DNA molecule as a double helix. Form follows function; the very nature of the molecule provided an explanation for its unique properties (Berg, Tymoczko, Stryer, Gatto & Gatto, 2012). In 1980, David Botstein and coworkers were the first to exploit the small variations found between people at the genetic level as landmarks to construct a human gene map. In 1984, while searching for disease markers in DNA Alec Jeffreys discovered the science of personal identification. He termed this method DNA Fingerprinting, a method to detect loci sequentially (Alberts, Johnson & et al, 2008). This term is later replaced by DNA typing or DNA profiling, ââ¬Å"Early in the use of DNA, profiles for the purpose of dentification were called DNA fingerprints, a term which is now rarely usedâ⬠(Porter, 2005). The first forensic use of DNA occurred in England, ââ¬Å"â⬠¦ a DNA test was performed by Dr. Alex Jeffreys, who had developed DNA ââ¬Ëfingerprintingâ⬠(Porter, 2005). One of the most significant facts of the case is that an innocent suspect was the first accused of the murder was freed based on the DNA evidence. Perhaps the most significant scientific advance bes ides the determination of the structure of DNA was in 1986 the polymerase chain reaction (PCR). PCR multiplies the sample and yields results which were once unobtainable, ââ¬Å"Furthermore, the statistical chances of a random coincidence in DNA of two individuals with the same profile have now reached enormous figures in the billions (Porter, 2005). Observation of cells and embryos in the late 19th century had led to the recognition that the hereditary information is carried on chromosomes, ââ¬Å"thread-like structures in the nucleus of a eukaryotic cell that became visible by light microscopy as the cell begins to divideâ⬠(Alberts, Johnson & et al, 2008). As biochemical analysis became possible, chromosomes were found to consist of both DNA and protein. DNA is the name given to a group of molecules that occur in all cells of all living organisms and that carry that organismââ¬â¢s genetic information. That, is they carry the instructions for making the chemical compounds, proteins, by which cells stay alive, grow, develop, reproduce, and carry out all the functions that constitute life as we know it. DNA molecules are very large, complex molecules made of only a few simple sugar units combined with a phosphate group and one of four nitrogen bases, adenine A, cytosine C, guanine G, and thymine T (Alberts, Johnson & et al, 2008). The combination of one sugar molecule, one phosphate group and any on nitrogen base is called a nucleotide. A complete DNA molecule consists of very long chains of thousands of nucleotides joined together. The DNA molecule is comprised of two strands each wrapped around the other in the form of a double-helix. The bases on each strand are properly aligned in a manner known as complementary-base pairing. As a result, adenine pairs with thymine and guanine pairs with cytosine. Each gene is actually composed of DNA specifically designed to carry the task of controlling the genetic traits of our cells. The position a gene occupies on a chromosome in known as a locus. Approximately 30,000 human genes have been identified. DNA duplicates itself prior to cell division. DNA replication begins with the unwinding of the DNA strands of the double helix (Berg, Tymoczko, Stryer, Gatto & Gatto, 2012). The two separate strands, now separated, act like a template for the formation of daughter strands. Each strand is now exposed to a collection of free nucleotides that will be used to recreate the double helix using base pairing. The enzyme DNA polymerase catalyzes the sequential addition of nucleotides to the growing DNA strands. The advent of DNA technology has dramatically altered the approach of forensic scientists toward the individualization of bloodstains and other biological factors as evidence. The high sensitivity of DNA analysis and the subsequent search for DNA evidence has even altered the types of materials collected from crime scenes. Saferstein, 2013) Modern methods of obtaining DNA have made it possible to obtain convictions on blood left at the scene, on semen, or even spittle behind on a postage stamp. ââ¬Å"It is surprising how often DNA is left behind, often when the criminal accidently cuts himself at the scene but also numerous other ways. DNA evidence makes detection of crime more probableâ⬠(Porter, 2005). During an investigation, forensic evidence is collected at a crime scene, analyzed in a laboratory and often presented in court. Each crime scene is unique, and each case presents its own challenges. Complex cases may require the collection, examination and analysis of a large amount of evidence. In terms of forensic DNA analysis, there is a variety of possible sources of DNA evidence. The more useful sources include blood, semen, vaginal fluid, nasal secretions and hair with roots. It is theoretically possible to obtain DNA from evidence such as urine, feces and dead skin cells, though this is often classed as a poor source due to the lack of intact cells and high levels of contaminants preventing successful analysis. Prior to analysis, the it will be necessary to extract DNA from the sample. This is generally achieved through the following simplified steps. The sample cells are lysed (broken down) in a buffer solution. Denatured proteins and fats are pelleted through centrifugation. The cleared lysate is then passed through a column, often containing a positively charged medium that binds to the DNA. Contaminating proteins, fats and salts are then removed through several washes. The DNA is recovered in a buffer solution (Rankin, 2005-2013). The use of DNA analysis in forensic science is based on a variety of techniques focusing on polymorphisms. ââ¬Å"Different sequences are studied in different techniques, including single nucleotide polymorphisms, mini satellites (variable number tandem repeats), microsatellites (short tandem repeats) and mitochondrial DNA, each different with regards to length and repetition (Rankin, 2005-2013)â⬠. The latest method of DNA typing, short tandem repeat (STR) analysis has emerged as the most successful and widely used DNA profiling procedure. Generally, ââ¬Å"DNA extraction is the first step in forensic DNA analysis for use in human identification, and is essential to generating STR profiles from forensic biological samples (Lounsbury, Coult, Miranian, Cronk, Haverstick, Kinnon, Saul & Landers, 2012)â⬠. STRs are locations on the chromosome that contain short tandem repeats that repeat themselves within the DNA molecule. They express a high degree of polymorphism, making them of particular use to the forensic scientist. As STR regions are non-coding, there is no selective pressure against the high mutation rate, resulting in high variation between different people (Saferstein, 2013). Though there have been thousands of short tandem repeats found in the human genome, only a small number are utilized in forensic DNA analysis. STR loci are ideal for use in forensic science for a number of reasons. They representâ⬠¦ ââ¬Å"discrete alleles that are distinguishable from one another, they show a great power of discrimination, only a small amount of sample is required due to the short length of STRs, PCR amplification is robust and multiple PCR can be used, and there are low levels of artifact formation during amplification (Rankin, 2005-2013)â⬠. The method of enzyme based produced PCR-ready DNA after only 20 minute incubation and requires no centrifugation or sample transfer steps. Implementation of this method into the workflow for forensic cases could reduce sample and DNA preparation time. The enzyme based method allows easy integration for downstream processes, such as PCR (Lounsbury, Coult, Miranian, Cronk, Haverstick, Kinnon, Saul & Landers, 2012). Polymerase chain reaction (PCR) is a technique for replicating small quantities of DNA or broken pieces of DNA found at a crime scene, outside a living cell. Polymerase chain reaction is the outgrowth of knowledge gained from an understanding of how DNA strands naturally replicate within a cell. For the forensic scientist, PCR offers a distinct advantage in that it can amplify minute quantities of DNA many millions of times (Saferstein, 2013). The PCR cycle consists of three primary steps: denaturation, annealing and extension. ââ¬Å"Denaturation, the sample is heated to 94-95oC for about 30 seconds. This separates the double-stranded DNA by breaking hydrogen bonds, allowing primers access. Annealing, the samples is kept at 50-65oC, depending on the primer sequence, to allow hydrogen bonds to form between the primers and the complementary DNA sequence. Extension is also known as the elongation stage. The sample is heated to 72oC for duration depending on the length of the DNA strand to be amplified and the speed of the polymerase enzyme (Taq polymerase) which builds up the strand. Deoxynucleotide triphosphates are added to the 3ââ¬â¢ end of the primer (Rankin, 2005-2013)â⬠. Each PCR cycle can take only 5 minutes. This procedure can then be repeated as necessary until the original sequence has been amplified a sufficient amount of time, with the amount being doubled with each cycle. Following PCR, the products are separated using electrophoresis. Electrophoresis is essentially a method of separating molecules by their size through the application of an electric field, causing molecules to migrate at a rate and distance dependent on their size. The gel essentially acts as a type of molecular sieve, allowing smaller molecules to travel faster than larger fragments. Following electrophoresis, it may be necessary to visualize these bands using radioactive or fluorescent probes or dyes (Berg, Tymoczko, Stryer, Gatto & Gatto, 2012). Another type of DNA used for individual characterization is mitochondrial DNA. Mitochondrial DNA (mDNA) is located outside the cellââ¬â¢s nucleus and is inherited from the mother (Saferstein, 2013). Recent developments in forensic mRNA profiling systems have allowed the simultaneous inference of a variety of human cell types from small amounts of samples. In addition to body fluids such as blood, semen, saliva, menstrual secretion and vaginal mucosa, the presence of skin cells can also be determined. Since more cell types can be examined, RNA profiling complements the existing detection methods of body fluids which are mainly serology-based and presumptive in nature. In forensic genetic analyses, ââ¬Å"â⬠¦the highest priority often goes to establishing the possible contributor(s) of DNA to an evidentiary trace. As a consequence, RNA profiling is incorporated into a DNA/RNA coassessment strategy that generates both a DNA and an mRNA profile from the same stain (Lindenbergh, Maaskant & Sijen, 2012)â⬠. Mitochondrial DNA is generally used when other methods such as STR analysis have failed. This is often in the case of badly degraded bodies, in cases of disaster or accidents where an individual is too badly damaged to identify. The most significant advantage of the use of mitochondrial DNA is the possibility of analyzing even highly degraded samples. If a specimen is severely decomposed to the point that it is not possible to successfully extract a DNA profile using nuclear DNA, it may be possible through mitochondrial DNA. However the use of mDNA does have its disadvantages. As mitochondrial DNA is only maternally inherited, this cannot form a full DNA fingerprint of the individual, thus this technique is only beneficial if the DNA profiles of maternal relatives are available, such as the individuals mother or biological siblings (National Institute of Justice, 2012). Possibly the most momentous device to arise from DNA typing is the ability to compare DNA types recovered from crime scene evidence to those of convicted sex offenders and other convicted criminals (Lynch, 2013). Numerous countries have produced computerized databases containing DNA profiles to aid in the comparison of DNA fingerprints and the identification of suspects and victims. The first Government DNA database was established in the United Kingdom in April 1995, known as the National DNA Database (NDNAD). As of 2011, there were over 5. million profiles of individuals in the system. Similarly, the FBI in the US formed their own DNA database, the Combined DNA Index System (CODIS), in 1994, though it was not implemented in all states until 1998(Saferstein, 2013). Staff members involved in the handling and analysis of evidence will often also submit their DNA profiles to the database in the case of accidental contamination. There is the possibility for DNA databases to be shared be tween countries; however some countries focus on different loci in DNA fingerprinting. Currently, U. S. crime laboratories have standardized on 13 STRs for entry into a national database (CODIS). Currently, DNA evidence is treated as exceptional, but it also is upheld as a model for other forms of forensic evidence to emulate. Many terms, such as investigation, inquiry, argument, evidence, and fact were established in law well before being associated with science. However, while legal proof remained qualified by standards of moral certainty, scientific proof attained a reputation for objectivity (Lynch, 2013). Although most forms of legal evidence, including expert evidence, continue to be treated as fallible opinions rather than objective facts, forensic DNA evidence increasingly is being granted an exceptional factual status. It did not always enjoy such status. Two decades ago, the scientific status of forensic DNA evidence was challenged in the scientific literature and in courts of law, but by the late 1990s it was being granted exceptional legal status. DNA profiling is often treated as an exceptional technique that has navigated the imaginary gulf between forensic and scientific culture, and has become so reliable that it can be used as a benchmark for evaluating all other forensic technologies. The STR system replaced the earlier systems, and automated scanning of samples replaced visual examination of profile results. The use of all these genetic tools allows forensic scientists to with more certainty find and convict criminals.
Wednesday, October 23, 2019
Health In Society Unequally Distributed Health And Social Care Essay
This essay will concentrate on the inequalities that exist around Cardiovascular Disease, specifically that of Coronary Heart Disease. Harmonizing to the British Heart Foundation ( 2010 ) incidences of decease attributed to Coronary Heart Disease are far more likely to happen within the lower socio-economic category. The British Heart Foundation ( 2010 ) besides report that those populating in the most disadvantaged countries of Wales, have a fifty-percent more opportunity of deceasing from CHD than those populating in the least disadvantaged countries. Furthermore, they claim that persons who undertake manual and unskilled employment have a 10 per centum more opportunity of enduring from Coronary Heart Disease than those employed in managerial places, despite those persons populating in the same country ( ibid ) . First, a brief definition of CHD will be offered in order to help apprehension of how this disease develops, and how unhealthy behaviors can lend to its oncoming. Second, an account of a wellness inequality will be given. Then, assorted studies that have been published in relation to wellness inequalities will be examined in order to offer an account for this inequality. This will include analyzing assorted facets of the lives of persons that are placed in the lower socio-economic category in an effort to explicate behavior that is harmful to wellness. Finally, the function of the Multi Disciplinary squad and the nurse will be discussed, this will include authorities schemes for societal policy, in order to place countries of enterprises to better cases of decease from CHD. CHD is a term used to depict the effects of impaired or absent coronary blood flow to the myocardium, by and large caused by fatty plaques known as atheroma developing within the interior liner of the coronary arterias ( Porth 2004 ) . NHS Choices ( 2009a ) province that cases of CHD are far more likely to happen if an single fumes, is corpulent or has a diet that has a high content of concentrated fat. The National Office of Statistics ( 2008 ) reported that in 2007 there were 2951 deceases under the age of 75 in Wales straight linked with CVD, and that 1662 of these were due to CHD The wellness of the state has shown marked betterment throughout the old ages. Harmonizing to the House of Commons ( 2008 ) the life anticipation in 1948 for work forces was 66.4 old ages and 71.2 old ages for adult females. In 2000 they had risen to 75.6 old ages and 80.3 old ages severally. However, despite these betterments, wellness inequalities still exist amongst specific groups within society ( ibid ) .According to the World Health Organisation ( WHO 2010 ) a wellness inequality constitutes a pronounced difference in the distribution of wellness between changing societal groups. These societal groups can run from societal category, age, gender, ethnicity, disablement, geographics gender or linguistic communication ( ibid ) . Historically, those included in the lower ranks of employment and hence placed in the lower socio-economic category, are far more likely to endure sick wellness and higher morbidity rates than those at the top of the societal graduated table ( WHO 2010 ) . Harmonizing to Black ( 1980 ) poorness has ever been a major factor in high mortality rates amongst the lower socio-economic categories, peculiarly in cases of famishment, infection and respiratory unwellness. However, Black acknowledged that the nexus between poorness and circulatory disease was less straightforward ( ibid ) . In an effort to mensurate the extent of these inequalities, during 1977 the Labour authorities commissioned The Working Group on inequalities chaired by Sir Douglas Black to measure the deductions of wellness and societal policy, and to garner information about differences in wellness position amongst changing societal categories ( Townsend and Davidson 1992 ) . The findings were presented to the Secretary of State of the new Conservative authorities in April 1980 ( ibid ) . Black ( 1980 ) concluded that despite the general betterment in wellness across Britain, marked differences in the wellness between those in societal category I and those in societal category V have remained, and in some cases increased. Black ( 1980 ) suggested that one of the grounds for this could be due to the displacement in occupational position across the UK. He explained that those undertaking traditional semi-skilled or unskilled employment tended to be older than those from the mean work force. However, Townsend and Davidson ( 1990 ) argue that despite the age disparity between societal categories, the likeliness of an single death before the age of retirement in societal category IV is dual that of those in societal category I. Furthermore, they go on to state that mortality is a characteristic of category across the life span and non merely during old age, with persons from the lower categories enduring higher morbidity rates during childhood, adolescence and maturity ( ibid ) . A follow on from the Black Report was commissioned in 1986 by the Health Education Council before its death in 1987, and was updated in 1992 ( Whitehead 1992 ) . The Health Divide published grounds which revealed serious inequalities in wellness had continued throughout the 1980 ââ¬Ës and into the 1990 ââ¬Ës ( ibid ) . During the 1990 ââ¬Ës the work of Sir Douglas Black was acknowledged and built on in a study by Sir Donald Acheson, who was invited by the Secretary of State for Health to place a scope of countries for future policy development in order to cut down wellness inequalities ( DOH 1998 ) . Black ( 1980 ) suggested that the high proportion of incidences of certain diseases, including that of circulative disease in the lower socio-economic categories could be attributed to the complete indulgence of merchandises that are harmful to the organic structure, and non to want and poorness. Black ( 1980 ) specifically highlighted the significance of the ingestion of baccy merchandises in the aetiology of diseases such as circulative disease. He questioned the impression that the usage of baccy merchandises is a strictly voluntary pre-occupation by and large undertaken by the irresponsible and highlighted the fact that the authorities makes huge sums of money out of its production and sale. However, Black besides acknowledged that the usage of baccy merchandises could non be blamed for the cause of sick wellness, but suggested that it should be viewed as a secondary phenomenon caused by underlying characteristics of society. He raised concerns for the hereafter, admiting that although pre-conceptions sing the usage of baccy were altering, this alteration had finally taken topographic point within the higher socio-economic categories, and would go on to make so, doing the wellness spread to turn even wider. Acheson ( DOH 1998 ) found, that as Black had predicted there was a clear societal category gradient in both work forces and adult females sing the ingestion of baccy merchandises. He found that 12 % per centum of professional work forces and 11 % of professional adult females were reported to be tobacco users, compared with 41 % of unskilled work forces and 36 % of unskilled adult females go oning to smoke. Furthermore, those in the higher socio-economic category who professed to smoking consumed fewer coffin nails than their opposite numbers in the lower socio-economic category ( ibid ) . Acheson ( DOH 1998 ) besides found that those in the lower categories had lower surcease rates than tobacco users in the higher categories. Similarly, the category gradient had widened in regard of deceases from CHD ( see appendix 1 ) . Acheson concluded that smoke is a clear component in mortality differences between societal categories, doing deceases from assorted malignant neoplastic diseases, respiratory unwellnesss and CHD ( ibid ) . The Wanless Report ââ¬ËSecuring Good Health for the Population ââ¬Ë was published in 2004, and besides highlighted smoke as a major cause of high mortality rates under the age of 70 in the lower socio-economic category ( Wanless 2004 ) . Wanless called for smoke to be banned in public topographic points, particularly within the workplace, faulting inactive smoke for cases of malignant neoplastic disease ââ¬Ës and bosom disease amongst both tobacco users and non tobacco users ( ibid ) . Harmonizing to Acheson ( DOH 1998 ) the wider socio-economic factors of an person ââ¬Ës life style should be taken into consideration when explicating wellness inequalities. Marmot ( 2010 ) concurs, saying than unhealthy behaviors entirely, can non be responsible for the serious wellness inequalities that exist in today ââ¬Ës society. As a consequence, Acheson ( DOH 1998 ) implemented a socio-economic theoretical account of wellness, which examined an person ââ¬Ës exposure to inequalities from before birth and throughout the full life span. Acheson ( DOH 1998 ) acknowledged that an person ââ¬Ës age, sex and constitutional position did so impact their wellness, as did their personal wonts such as smoke and hapless diet. However, Acheson argued that wider influences such as friends, household, community, instruction, lodging, work environment and entree to wellness attention besides had a bearing on an person ââ¬Ës wellness position ( ibid ) . Therefore, in order to understand the relationship between low socio-economic category and CHD, it is necessary to look into the psychological and societal influences that are experienced by persons within this group. Harmonizing to Acheson ( DOH 1998 ) unemployment rates amongst unskilled workers are four times higher than those from professional groups. Acheson goes on to state that employment is a major constituent in an person ââ¬Ës position within society ; it determines their income, societal standing and their ability to take part within society. Furthermore Acheson states that being unemployed can hold damaging effects in both physical and mental wellness, being linked to a sedentary life style and increased ingestion of baccy and intoxicant ( ibid ) . However, the nexus between unemployment and sick wellness is hard to turn out, as it is non clear whether the ground for the unemployment is due to ill wellness that is already present, or whether being unemployed is the cause of the sick wellness ( Schurring et al 2007 ) . Acheson besides suggests that those persons who are in employment tend to be engaged in work that is low paid, insecure and of hapless quality and that offers little, or no chance of publicity ( DOH 1998 ) . Johnson ( 2004 ) argue that those from the lower categories constantly experience high degrees of physiological emphasis, and low degrees of control in the workplace, coupled with low wagess in footings of occupation security, publicity chances, money and regard. However, Stansfield and Marmot ( 2002 ) point out that despite grounds to propose that psychological emphasis at work can be a conducive factor in cases of CHD, it is besides of import non to undervalue the consequence of other nerve-racking constituents of an person ââ¬Ës life that are non work related. Persons that are unemployed or have low paid occupations constantly face poorness and adversity. They are more likely to brood in unsuitable lodging, that is frequently moist, overcrowded and in an country that has hapless entree to comfortss ( Acheson DOH 1998 ) . Harmonizing to Siegrist and Marmot ( 2006 ) those from the lower socio-economic category tend to populate in vicinities that experience high degrees of offense, and physical impairment. Skogan ( 1990 ) concurs, saying that persons that reside in these countries have, non themselves, chosen to make so ; hence, they have no existent motive to keep their belongingss or that of their vicinity. This in bend discourages commercial investing in the country, doing it to drop further into want ( ibid ) . Due to miss of fundss these persons are less likely to have any signifier of private conveyance ( DOH 1998 ) . This can hold a direct impact on entree to low-cost food markets, health care, and employment chances. WHO ( 2010 ) suggest that hapless lodging and location non merely do physical wellness jobs but that they are besides a direct cause of emphasis, depression and associated psychological unwellnesss. Harmonizing to Stansfield and Marmot ( 2002 ) nerve-racking life conditions, including those of employment and lodging have marked associations with coffin nail smoke. They go on to province that the prevalence of coffin nail smoke is closely linked with the experience and direction of emphasis. Many people use smoking as a self-medication to assist them get by with the emphasis they experience in their mundane lives ( ibid ) . However, harmonizing to Parrott ( 1999 ) , baccy ingestion is in fact a cause of emphasis, and non the emphasis stand-in that many tobacco users believe it to be. NHS Choices ( 2009b ) agree, saying that tobacco user ââ¬Ës may experience a diminution in emphasis degrees once they have smoked a coffin nail, nevertheless this lone occurs because they have satisfied their craving for nicotine. Once the nicotine has worn of the person will one time once more experience stressed ( ibid ) . Harmonizing to Stansfield and Marmot ( 2002 ) both emphasis and baccy ingestion are both clear markers in morbidity rates for CHD, and could take some manner to explicating high cases of this disease within the lower socio-economic category. In an effort to undertake emphasis caused by work, the authorities introduced the ââ¬ËFairness at Work Act ââ¬Ë in 1999 ( House of Commons 1999 ) . This measure was introduced in order to guarantee that employees have specific rights at work, including occupation security ( ibid ) . Harmonizing to Acheson ( DOH 1998 ) , employment jurisprudence in the United Kingdom is highly under regulated, compared to that of other industrialized states. Assorted policies sing lodging have been introduced since the Acheson Report, the most recent in Wales being ââ¬ËImproving Lifes and Communities ( Welsh Assembly Government 2010 ) . This policy aims to supply Wales with more societal lodging, and to give prospective renters more pick with respects to the countries in which they live. It pledges to better the criterion of lodging offered, to better the visual aspect and feel of communities, and to supply persons shacking in the country entree to services and installations ( ibid ) In a command to undertake happenings of diseases, including that of CHD, the authorities announced a 10 twelvemonth committedness through a white paper, Salvaging Lifes: Our Healthier Nation ( DOH 1999 ) . To run into this committedness the National Service Framework for Coronary Heart Disease was implemented and included 12 criterions to better wellness and prevent disease ( DOH 2008 ) . These rules are reflected in public wellness policy in Wales through the debut of a policy papers ââ¬Å" Tackling Heart Disease in Wales: Implementing Through Evidence ( Welsh Assembly Government 2001 ) . As portion of the 10 twelvemonth program, they advised that local marks should be implemented in order to forestall, and cut down the ingestion of baccy merchandises. It was advised that the sale of illegal coffin nails and baccy should be closely monitored and reduced, that media coverage and national runs should be encouraged and that smoking surcease services should be implemented at local degree. In peculiar, mention was made to cut downing smoke in those on low incomes, with peculiar attending being made to pregnant adult females and their spouses ( ibid ) . The authorities pledged that by the twelvemonth 2010 deceases attributed to CHD would be reduced in the under seventy-fives by 40 % . This mark was in fact met five old ages early, with deceases rates falling by 44 % ( DOH 2008 ) In order to cut down disease caused by smoke, and to protect non tobacco users from passively inhaling baccy, a smoke prohibition was initiated on 1st July 2007 ( BBC News 2007 ) . This policy prohibits smoking in any public topographic point, including saloons, eating houses and topographic points of work. Since the smoke prohibition, research carried out by the Department of Health claim that cases of Myocardial Infarctions have reduced by 10 per centum ( Times Online 2009 ) . However, curates and anti-smoking groups think the authorities should travel farther, and are naming for smoking to be banned in autos, in order to protect kids from 2nd manus fume ( ibid ) . Despite the smoke prohibition some persons continue to smoke, harmonizing to Nice ( 2008 ) the multi disciplinary squad has a cardinal function to play in encouraging and authorising these persons to give up. Harmonizing to the Royal College of Nursing ( 2004 ) wellness publicity is the duty of every nurse. The NMC Code of Professional Conduct ( 2009 ) concur, saying that nurses are personally accountable for safeguarding and advancing the involvements of all patients and clients, irrespective of age, gender and societal fortunes. Harmonizing to Youdan and Queally ( 2005 ) nurses have a cardinal function to play in encouraging patient ââ¬Ës to give up smoke, they are ideally placed, and should enter the smoke position of all in and out patient ââ¬Ës, and where appropriate offer advice and smoke surcease options. In 2008, the National Institute for Clinical Excellence, acknowledged that smoke is a major contributory factor in the wellness spread that exists between the higher and lower socio-economic categories ( Nice 2008 ) . As a consequence, NICE published its first elaborate counsel on smoking surcease ( ibid ) . Harmonizing to these guidelines all persons that come into contact with a wellness professional should be questioned on their smoke position ( ibid ) . Harmonizing to Thomas ( 2007 ) brief oppugning on the topic of smoke has become the foundation of national smoke surcease policy. Nice ( 2008 ) besides stipulate that wellness professionals should utilize as many avenues as possible to make tobacco users, saying that links between birthrate clinics, ante-natal groups, station natal assignments, tooth doctors, infirmaries and GP surgeries should be made in order to aim as many person ââ¬Ës as possible. If an single professes to smoke, the wellness professional should offer suited advice and nicotine replacing therapy ; this should be given in concurrence with continued support and a referral to the local NHS Stop Smoking Service ( Nice 2008 ) . Behavioral guidance should besides be offered where appropriate ; this can take topographic point on a one to one footing or in group Sessionss ( ibid ) . Nice ( 2008 ) acknowledges that an person ââ¬Ës societal fortunes can be hard to change in the short term ; nevertheless, they believe that behaviour alteration on an single degree is more accomplishable. Evidence has shown that category is a cardinal determiner of wellness. Those in the lower socio-economic category suffer higher degrees of CHD than those in the higher socio-economic category. It has besides been shown that they consume more tobacco merchandises and are more susceptible to emphasize. As antecedently discussed, emphasis and baccy ingestion are both clear markers in cases of CHD, therefore policy aimed at cut downing the emphasis related facets of these persons lives demands to be addressed. Similarly, the ingestion of baccy by this group besides needs to understood. This fact has been recognised by the authorities, who have introduced societal policies related to employment, lodging and smoke in an effort to cut down mortality rates within the lower categories from diseases such as CHD. Nurses and the multi disciplinary squad besides have a portion to play, peculiarly within the community. It is the duty of every wellness professional to oppugn an person with respects to their smoke position, by making so, advice, support and encouragement can be offered, in a command to alter the person ââ¬Ës attitude towards this wellness damaging behavior.Mentions:BBC News ( 2007 ) Smoking Ban Takes Effect. ( online ) . Available at: hypertext transfer protocol: //news.bbc.co.uk/1/hi/uk/6258034.stm ( Accessed 16 April 2010 ) . Black ( 1980 ) The Black Report: Inequalities and Health.Socialist Health Association. ( online ) . Available at: hypertext transfer protocol: //www.sochealth.co.uk/Black/blackintro.htm ( accessed 15 March 2010 ) British Heart Foundation ( 2010 ) UK Coronary Heart Disease Statistics. Department of Health. ( online ) . Available at: www.bhf.org.uk/plugins/PublicationsSearchResults/idoc.ashx? â⬠¦ 1 ( Accessed 25 April 2010 ) . DOH ( 1998 ) Independent Inquiry into Inequalities in Health Report. Chair Sir Donald Acheson. London: The Stationary Office. DOH ( 1999 ) Salvaging Lifes: Our Healthier Nation. ( online ) . Available at: hypertext transfer protocol: //www.dh.gov.uk/en/Publicationsandstatistics/Publications/PublicationsPolicyAndGuidance/DH_4118614 ( Accessed 19 April 2010 ) . DOH ( 2008 ) The Coronary Heart Disease National Service Framework: Building on Excellence keeping Progress. ( online ) . Available at: hypertext transfer protocol: //www.dh.gov.uk/prod_consum_dh/groups/dh_digitalassets/documents/digitalasset/dh_096556.pdf ) . ( Accessed 9 April 2010 ) . House of Commons ( 2008 ) Health Committee Third Report ââ¬â Health Inequalities 2008-2009. Health Committee Publications. ( Online ) . Available at: hypertext transfer protocol: //www.publications.parliament.uk/pa/cm200809/cmselect/cmhealth/286/28602.htm ( Accessed 4 March 2010 ) . House of Commons ( 1999 ) Fairness at Work. House of Commons Library. ( online ) . Available at: hypertext transfer protocol: //www.parliament.uk/commons/lib/research/rp98/rp98-099.pdf ( Accessed 16 April 2010 ) . Johnson ( 2004 ) Work Stressors and Social Class. ( online. ) Available at: hypertext transfer protocol: //www.workhealth.org/risk/johnson % 20article.html ( Accessed 20 April 2010 ) . Marmot ( 2010 ) Fair Society, Healthy Lives. ( online ) . Available at: hypertext transfer protocol: //www.ucl.ac.uk/gheg/marmotreview/Documents/finalreport/FairSocietyHealthyLivesChapter2 ( Accessed 17 March 2010 ) . NHS Choices ( 2009a ) Coronary Heart Disease. ( Online ) . Available at: hypertext transfer protocol: //www.nhs.uk/Conditions/Coronary-heart-disease/Pages/Causes.aspx ( Accessed 26 February 2010 ) . NHS Choices ( 2009b ) Does Smoking Help Stress. ( online ) . Available at: hypertext transfer protocol: //www.nhs.uk/chq/Pages/1114.aspx? CategoryID=53 & A ; SubCategoryID=531 ( Accessed 20 April 2010 ) . National Office for Statistics ( 2008 ) All Deaths Under 75 by Cause and Sex 2007 England Wales Scotland N Ireland and United Kingdom. ( Online ) . Available at: hypertext transfer protocol: //www.statistics.gov.uk/hub/index.html ( Accessed 15 March 2010 ) . NICE ( 2008 ) Smoking Cessation Guidance ( Online ) . Available at: hypertext transfer protocol: //www.idea.gov.uk/idk/core/page.do? pageId=8024618 ( Accessed 19 April 2010 ) . The Nursing and Midwifery Code of Professional Conduct ( 2009 ) . ( Online ) . Available at: hypertext transfer protocol: //www.nmc-uk.org/aArticle.aspx? ArticleID=3 056 ( Accessed 16 October 2008 ) . Parrott A ( 1999 ) Does Cigarette Smoking Cause Stress. American Psychologist. 25 ( 54 ) pp 817-20. ( online ) . Available at: hypertext transfer protocol: //www.tobaccoprc.org/download/file/stress.pdf ( Accessed 15 April 2010 ) . Porth CM ( 2004 ) Necessities of Pathophysiology Concepts of Altered Health States. Philadelphia: Lippincott Williams and Wilkins. Royal College of Nursing ( 2004 ) Commissioning Health Services for Children and Young People- Increasing Nurses Influence. ( online ) . Available at: hypertext transfer protocol: //www.rcn.org.uk/_data/assets/pdf_file/0003/78591/002169.pdf ( Accessed 11 April 2010 ) . Schurring M Burdorf L Kunst A Mackenbach J ( 2007 ) The effects of Ill wellness on come ining and keeping paid employment: Evidence in European Countries. Journal of Epidemiology and Community Health 61 597-604 ( online ) . Available at: hypertext transfer protocol: //jech.bmj.com/content/61/7/597.abstract ( Accessed 15 April 2010 ) . Siegrist J and Marmot M ( 2006 ) Social Inequalities in Health- New Evidence and Policy Implications. Oxford: Oxford University Press. Skogan ( 1990 ) Disorder and Decline ââ¬â Crime and the Spiral Decay in American Neighbourhoods. California: University of California Press. ( online ) . available at: hypertext transfer protocol: //books.google.co.uk/books? id=ASrAMJh7LngC & A ; printsec=frontcover & A ; dq=skogan+disorder+and+decline & A ; source=bl & A ; ots=_-DBYsfGXN & A ; sig=kPSCk3NGusegOJ_B ( Accessed 18 April 2010 ) . Stansfield A Marmot G ( explosive detection systems. ) ( 2002 ) Stress and the Heart Psychological Pathways to Coronary Heart Disease. London: BMJ Books. Timess Online ( 2009 ) Heart Attacks Plummet After Smoking Ban. ( online ) . Available at: hypertext transfer protocol: //www.timesonline.co.uk/tol/life_and_style/health/article6832384.ece ( Accessed 18 April 2010 ) . Townsend P and Davidson N ( 1992 ) The Black Report. ( 2nd edn. ) London: Penguin Group. Thomas S ( 2007 ) Smoking Cessation Part 1: Brief Interventions. Nursing Standard. 22 ( 4 ) pp 47-49. WHO ( 2010 ) Developing the EvidenceBase for Tackling Health Inequalities and differential Effectss. ( online ) . Available at: hypertext transfer protocol: //www.who.int/social_determinants/resources/esrc_document.pdf ( Accessed 19 March 2010 ) . Wanless D ( 2004 ) Procuring Good Health for the Whole Population. Department of Health. ( online ) Available at: hypertext transfer protocol: //www.dh.gov.uk/en/Publicationsandstatistics/Publications/PublicationsPolicyAndGuidance/DH_4074426 ( Accessed 17 April 2010 ) . Welsh Assembly Government ( 2001 ) Undertaking CHD in Wales: Implementing Through Evidence. ( on-line. ) Available at: hypertext transfer protocol: //www.wales.nhs.uk/publications/coronary-heart-disease-e.pdf ( Accessed 12 March 2010 ) . Welsh Assembly Government ( 2010 ) Bettering Lifes and Communities. ( Online ) . Available at: hypertext transfer protocol: //wales.gov.uk/docs/desh/publications/100421housingstrategyen.pdf ( Accessed 17 April 2020 ) . Whitehead M ( 1992 ) Inequalities in Health ââ¬â The Health Divide. London: Penguin Group. Youdan and Queally ( 2005 ) Nurses ââ¬Ë Role In Promoting and Supporting Smoking Cessation. The Nursing Times. 10 ( 10 ) pp 26-28.
Tuesday, October 22, 2019
How to Select a Science Fair Project Topic
How to Select a Science Fair Project Topic Great science fair projects dont need to be expensive or difficult. Even so, science fair projects can be very stressful and frustrating for students, parents, and teachers! Here are some tips for coming up with science fair project ideas, deciding how to turn an idea into a clever project, performing the science fair project, writing a meaningful report about it, and presenting a great-looking, sturdy display. The key to getting the most out of your science fair project is to start working on it as soon as possible! If you wait until the last minute you will feel rushed, which leads to feelings of frustration and anxiety, which makes good science harder than it needs to be. These steps for developing a science project work, even if you procrastinate until the last possible minute, but your experience wont be as much fun! Science Fair Project Ideas Some people are brimming with great science project ideas. If you are one of those lucky students, feel free to skip to the next section. If, on the other hand, the brainstorming part of the project is your first hurdle, read on! Coming up with ideas isnt a matter of brilliance. Its a matter of practice! Dont try to come up with only one idea and make it work. Come up with lots of ideas. First: think about what interests you. If your science project is restricted to a subject, then think about your interests within those limits. This is a chemistry site, so Ill use chemistry as an example. Chemistry is a huge, broad category. Are you interested in foods? properties of materials? toxins? drugs? chemical reactions? salt? tasting colas? Go through everything you can think of that relates to your broad topic and write down anything that sounds interesting to you. Dont be timid. Give yourself a brainstorming time limit (like 15 minutes), enlist the help of friends, and dont stop thinking or writing until the time is up. If you cant think of anything that interests you about your subject (hey, some classes are required, but not everyones cup of tea, right?), then force yourself to think up and write down every topic under that subject until your time is up. Write down broad topics, write down specific topics. Write anything that comes to mind - have fun! See, there are LOTS of ideas! If you were desperate, you had to resort to ideas on websites or in your textbook, but you should have some ideas for projects. Now, you need to narrow them down and refine your idea into a workable project. Science is based on the scientific method, which means you need to come up with a testable hypothesis for a good project. Basically, you need to find a question about your topic that you can test to find an answer. Look over your idea list (dont be afraid to add to it at any time or cross off items that you dont like... its your list, after all) and write down questions that you can ask and can test. There are some questions you cant answer because you dont have the time or the materials or the permission to test. With respect to time, think of a question that can be tested over a fairly short time span. Avoid panic and dont try to answer questions that take most of the time you have for the entire project. An example of a question that can be answered quickly: Can cats be right or left pawed? Its a simple yes or no question. You can get preliminary data (assuming you have a cat and a toy or treats) in a matter of seconds, and then determine how you will construct a more formal experiment. (My data indicates yes, a cat can have a paw preference. My cat is left-pawed, just in case you are wondering.) This example illustrates a couple of points. First, yes/no, positive/negative, more/less/same, quantitative questions are easier to test/answer than value, judgement, or qualitative questions. Second, a simple test is better than a complicated test. If you can, plan to test one simple question. If you combine variables (Like determining whether paw use varies between males and females or according to age), you will make your project infinitely more difficult. Heres a first chemistry question: What concentration of salt (NaCl) needs to be in water before you can taste it? If you have a calculator, measuring utensils, water, salt, tongue, pen, and paper, youre set! Then you can proceed to the next section on experimental design. Still stumped? Take a break and go back to the brainstorming section later. If you are having a mental block, you need to relax in order to overcome it. Do something that relaxes you, whatever that may be. Play a game, take a bath, go shopping, exercise, meditate, do housework... as long as you get your mind off of the subject for a bit. Come back to it later. Enlist help from family and friends. Repeat as necessary and then continue to the next step.
Monday, October 21, 2019
Parasite mediated sexual selet essays
Parasite mediated sexual selet essays Why do some birds have long tails, others have bright plumage or patterns and others possess beautifully complicated songs. Many animal behaviourists have agreed that all these characteristics are developed as a result of female sexual selection, but that is where the agreement stops. The many theories on the evolution of secondary sexual characters, are an evolution in their own right. The purpose of this paper is to analyse the evolution of the research and hypotheses on this subject. How did each come about and lead to another, which was proven and find the answer to the question: How do females benefit from choosing a male with an enhanced morphological feature? Sexual selection is a corollary of natural selection and the two processes work in the same manner. Natural and sexual selection often create different selection pressures: natural selection results in traits that enhance reproduction and survival, where as sexual selection results in traits that enhance reproductive success, but at the expense of survival (Ghiselin(1969) of Darwin in Birkenhead Sexual selection occurs when the members of one sex mate disproportionately with members of the opposite sex on the basis of secondary traits, i.e. behaviours or structures other than reproductive organs or gametes. Sexual selection can occur in two ways; as a result of competition between members of the same sex (intrasexual) or by female choice of the fittest male following intra sexual competition or salesmanship (intersexual) (Clayton 1991). One of the most important factors determining the intensity of sexual selection is the relative amount of parental investment by each sex (Trivers 1972 in Krebs The sex investing least are more involved in intrasexual competition, where as the sex investing most are more discriminating in their choice of partner (Trivers 1972 in Birkenhead & Moller 1991). Trivers (1972) suggested that because sperm were...
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