The Free Radical Theory Of Aging

The Free Radical Theory Of Aging The process of aging is a result of increasing damage of our bodys tissues which occurs over a length of time. The accumulated damage to our biological DNA is the cause by which inhibition of the cells to function and express its appropriate genes. This leads to or is responsible for the raised susceptibility of disease and death linked to the time-related changing process of aging. This process is a universal biological phenomenon which indicates that both genetic and environmental factors donating to aging. All together the nature of the aging process has been subject to substantial opinion in the way we age. Over the years, many theories have soared to illustrate the way aging occurs. The free radical theory of aging (FRTA) is the most accepted theory to describe aging which was put forward by Dr Denham Harman in 1956 carried out at the University of Nebraska. The free radical term describes any molecule that varies from a typical moleculethat retains a single free unpaired electron, a property which oxidises other molecules in an exceedingly volatile and damaging way. Otherwise radicals maypossibly be generated by the breakage of a covalent bond in such that one-half of the divided electrons in an oxidation-reduction reaction. These radicals are responsible for aging, some diseases and tissue damage.A simple example to illustrate this is the reaction of water with the sun: H2O > HOà ¢Ã¢â€š ¬Ã‚ ¢- + Hà ¢Ã¢â€š ¬Ã‚ ¢ (à ¢Ã¢â€š ¬Ã‚ ¢ indicates a free radical) Here water is split into a hydroxyl radical and a hydrogen atom. The FRTA expresses that aging is the build up of oxidative damage to bodily cells and tissues that encounters this due to aerobic metabolism. Harman based his theory on the three opinions: (1) irradiation causes premature aging; (2) irradiation creates oxygen radicals, which may mediate its effects; and (3) cells produce oxygen radicals under normal conditions. Commencing this he hypothesised that the manner by which a high reactive free radical such as a presence of an OH group will put forth its effect an ambiguous effect. They are also likely to react with other cellular components including nucleoproteins and nucleic acids, proteins and lipids. Also given that genes will be affected by these radicals, rarely it would be probable that mutations and cancer would occur occasionally.This led Harman to conclude that ageing and age-related diseases may be due to oxidative damage which adaptable by genetic and environmental factors. Subsequently with regards to free radicals in ageing h as advanced to an extent to become one of the more reasonable theories of the ageing process. A different idea is chemical damage, which indicates damage to long-lived organic polymers in the body caused by chemical mediators within the body these include oxygen and sugars, which are responsible for aging. Chemical damage to structural cells and DNA can lead to mutations which result in loss of its functions. Later Joe McCord and Irwin Fridovichof Duke University discovered an enzyme in 1969, superoxide dismutase (SOD), exclusively operating to impair the superoxide radical, SOR (O2à ¢- -). This is a type of free radical produced when an additional electron is uplifted by an oxygen molecule. This produces a number of short-lived intermediates including the formation of superoxide (O2à ¢Ã‹â€ Ã¢â‚¬â„¢), hydrogen peroxide (H2O2) and the hydroxyl radical (OH). Both the superoxide and hydroxyl radicals have a free electron in their outer orbit and are highly reactive oxidants. Hydrogen peroxide is also toxic to cells and a cause of further free radical generation, particularly when reacting with reduced transition metals to form hydroxyl radicals. The most common source of free radicals in biological systems is oxygen (Halliwell and Gutteridge, 1989). There are many types of free radicals which are formed by different reactions with oxygen. Some other examples of these are hydroperoxyl ra dical (HPR), alkoxyl radical (AR), peroxyl radical (PR) and nitric oxide radical (NOR). Successive research has uncovered that SOR are formed within cells during oxidative metabolism and SOD enzymes are existent within a variety of organisms ranging from bacteria to humans. Three isoforms of SOD are present within cells; these are cytosolic, mitochondrial and extracellular types of isoforms. Roughly 1-2 per cent of the oxygen within the mitochondria cellchanges into hydrogen peroxide rather than water, which is the actual end product during respiration.The significant of SOD is revealed through studies carried out on mutant bacteria and yeast, lacking the SOD enzyme. In the presence of oxygen these cells are unable to grow. Equally the lack of SOD2 mitochondrial enzymes in mice, were incapable of surviving for a week after birth. However, genetically engineered mice that have been altered with higher hydrogen peroxide- destroying enzymes are able to live 20 per cent longer than the controls. These results observed in 2005, shows that enhanced antioxidant defences can in crease life span. While the high potential of free radicals especially SOR and Hydroxyl radicals, these agents are an important factor linking to aging yet still remains a debatable topic. Harmans predications relating to the fact free radicals are joined to the notion of aging. Then we can expect that mammals with a longer lifespan possibly produce a small number of free radical, this links to the better ability to destruct free radicals, or the facility to repair cellular damage due to free radical reactions far better than a mammal with a shorter lifespan.These believes are supported by many studies, one in which the growth of mouse and human fibroblasts were compared under standard (20 per cent) and reduced (3 per cent) oxygen levels. Mouse fibroblasts grown under reduced conditions suffered up to a third of DNA damage and experienced many cellular divisions eventually till it stopped compared to those cells grown in normal conditions.Whereas mouse fibroblasts grown in standard conditions suffered up to 3 times more oxidative DNA damage compared to human fibroblasts under the same conditions. This study shows that human cells are far better in repairing and preventing oxidative DNA damage than mouse cells. The animal life spans can be increased by restricting the amount of calories within their diet (Perez et al. 2009 and Ristow, 2010). At first the study on mice in the 1930s, which maintained a strict diet, showed they typically lived longer by 30 to 40 per cent associated to mice that ate a normal calorific diet. Findings on the metabolic rates of these mice have shown inconsistent facts, but these studies show anoverall agreement that animals that were fed with restricted calorific diets contain a visible decrease in O2 à ¢- - and hydrogen peroxide formation, which could possible explain the increased longevity. Longitudinal studies on the rhesus monkeys are currently being carried out with calorie- restricted diets to see if they live longer healthier lives. Though, this study has not been analysed over a long enough period to see if the top figure of lifespan which is 40 years in these monkeys, is increased. These animals have minimal levels of blood glucose levels, insulin an d triglycerides making them less prone to age- related disorders for instance diabetes and coronary artery disease.Reduced blood- insulin levels may possibly important in promoting longer life span, experiments on nematodes (Kenyon et al., 1993) and fruit flies (Clancy et al., 2001) suggest that the lessened activity of insulin- like hormones can spectacularly boost the lifespan within these vertebrates.Hormonal signalling pathways are very powerful controllers of lifespan, possibly since they match the longevity of several key organs by acting in an organised manner. Research on mice with growth hormones (GH) defected by which the inability of the pituitary gland to secrete then showed that these mice had an extended life span by roughly 21- 40 per cent (Coschigano et al.,2003). Whilst transgenic mice that over expressed the GH hormone lived a shorter life span compared to wild mice (Wolf et al., 1993). The first genetic component of ageing by gene regulation was identified by the budding of yeast. The number of daughter cells reproduced from the mother cells via cell division is known as the replicating cell aging. Calorie restriction in yeast cells results in increased life span with the presence of the gene Sir2. Here more mother cells undergo cell division rapidly to reproduce more daughter cells. This gene is programmed to carry out certain processes during cell division, if repeats occur cellular senescence occurs which slowly degrades the cell away from its essential nuclear factors. According to the gene regulation theory we are pre-programmed in our genes when to self-destruct, which cause ageing and eventually death. Diet plays an important part in the formation of radicals on a molecular basis. Metal ions especially in foodstuffs contain high levels and diverse profiles of metals. Metal ions in this instance therefore correlate to the formation of free radicals so share key elements of the FRTA (Naughton el al, 2008). An interrelated area of research concerns the study of substances known as antioxidants that are able to destroy free radicals by the prevention of oxidation (Fusco, 2007). These substances can most commonly be bought over the counter in pharmacies and general stores. Familiar antioxidants in the body are glutathione, vitamin E and C, and beta-carotene. Even though these antioxidants may prove highly beneficial in the diet due to the ability to destroy free radicals, research on mice and rats has been unsuccessful in delivering realistic evidence that can stop the aging process or increase life span. An antioxidant that is receiving substantial interest is resveratrol, which is a polyphenolic compound found in elevated strength levels in the skin of red grapes. It is believed that the substance resveratrol has many health benefits characteristic of red wine. Instead of searching for free radicals in the body, resveratrol acts by activating the enzymes Sir2 that has shown to prove inc reased longevity in yeast cells. An alternative view, the evolutionary theories of ageing indicates that ageing is due to DNA programming that only the survival of the best genes are available to assure offspring have vital living conditions omitting any mutations. Senescence genes that have harmful effects on the vitality of the cells are nominated against using natural selection. The mutations in these genes delay harming effects of the gene in an individual to a later stage reduce the ability to naturally select the best genes. The deleterious genes which may not visible till after it has reproduced, the gene itself possibly escapes natural selection and is passed through to the next stage of replicating. Yet there is no actual evidence to prove this theory. Although when we begin to age, is down to variation of our genetic inheritance. Recently, cellular senescence has become an interest to explain aging likewise. The continuous chromosomal shortening of the telomeres, where each cell cycle is considered to affect the vitality of the cell, hence contribute to aging. In 1973, Olovnikov proposed the telomere theory in that cells lose a bit of DNA followed by a round of replication because the lack of ability for DNA polymerase to fully copy telomeres (chromosome ends) and that eventually an acute deletion triggers cell death. A study on the yeast cells lacking a functional EST1 gene showed progressive shortening of the terminal G1-3T telomeric repeats and a parallel increase in the frequency of cell death (Lundblad and Blackburn, 1993). Similarly research on loss of telomeric DNA during cell proliferation may play a role in ageing and cancer.Telomere length, telomerase activity and chromosome rearrangements in human cells weremeasured; ov erall telomerase (enzyme) activity was not detectable in control or extended lifespan populations but was present in immortal populations (Counter et.al, 1992).Telomerase enzymes switches itself on to which adds to the telomeres when cells divide. There have, then again also been accounts that cloning may perhaps vary the shortening of telomeres. For example dolly the sheep died of progressive lung disease and sever arthritis. The common live expectancy of sheep is 11- 12 years however dolly the sheep lived till she was of years. This could possibly be because the sheep she was cloned from lived to 6 years. One understanding is that dolly the sheep had short telomeres which are the result of the aging process (Campbell et al, 1999). This supports the telomere theory of aging as well as the FRTA. A further notion of ageing is the mitochondria DNA theory. This theory suggests that the effectively of mitochondria; the power producing organelles found in every cell of each organ, surfaces age-related degenerative diseases. The mitochondria have their own genome (mtDNA), which is produced within the inner mitochondrial membrane close to locations of formation of extremely reactive oxygen species (Sanz, 2010). Mitochondrial DNA appears incapable to frustrate the damage inflicted by the by-products of respiration for the reason that distinctively the nuclear genome lacks advanced repair mechanisms. Consequently, the cell fails to produce energy and progressively dies. This concept is backed by observations verifying the genomic variability of mitochondria, on top of many mtDNA deletions and more types of injury to the mitochondrial genome. In addition, children with the Progeria disease are naturally liable to premature aging. They have symptoms which involve progressive heart disease. Almost all Progeria patients die as of heart disease. Heart disease is moreover one of the directing triggers of death across the world. Children with Progeria commonly experience cardiovascular events, such as high blood pressure (hypertension), stroke, angina, enlarged heart and heart failure illnesses linked to aging. Progeria has a mutation on the gene that codes for Lamin A, a protein that maintains the nucleus of the cell together. It is thought that the defective Lamin A protein makes the nucleus insecure. This variability appears to lead to the process of premature aging between Progeria patients. Yet it occurs without any cause so it is hard to relate this idea to support the FRTA in anyway. Another idea that does not support the FTRA is anoxic animals. According to BMC report deep under the Mediterranean Sea small multicellular organisms are present (belonging to the group Loricifera) which are completely surrounded by poisonous sulphides and they live their entire life in the absence of oxygen, they are still able to reproduce without the existence of oxygen and are metabolically active. Electron microscopy shows that these animals own organelles as an alternative to aerobic mitochondria as well which resembles to the unicellular organisms (protozoan) having hydrogenosomes that occupy anaerobic environment. The discovery by Danovaro et al. offers the tantalizing promise of metazoan life in other anoxic settings, for example in the subsurface ocean beneath hydrothermal vents or subduction zones or in other anoxic basins, (Levin). The incidence of anaerobic mitochondria and hydrogenosomes in other organisms showed the highlight to the evolutionary significance from the f indings at Comenius and Dusseldorf Universities. In conclusion, the FRTA is not dead and it alone is not the only explanation of how we age. Genetic data alone doesnt provide strong evidence for the FRTA; however in studies with oxidative stress being reduced or inhibited can play an effect in prolonging life span. Damages and accumulation of radicals are the highlight of many other theories. This implies that the FRTA provides a foundation for other theories and that radicals cause aging to an extent is still alive. However studies on anoxic animals proves that the FRTA can not support the idea for FRTA due to lack of mitochondria instead mitosomes are present. Also studies on antioxidants supported the notion that consumption of vitamins prevents free radicals from forming or being reduced. Further studies still need to be carried out in order to prove whether FRTA is actually dead.

The Long Term Impact of Staff Reduction on Surviving Staff: Starbucks Experience

Research Aims Staff reductions are often required as part of the restructuring of an organisation, or as a response to economic conditions. However, the focus of the research here is to look at the long term and whether this type of staff reduction has an impact on the staff that remain, rather than focussing on those that leave. It is argued, at the outset, that the remaining members of staff are often overlooked, as they are perceived to be the â€Å"lucky ones†. Despite this, the basis of the research is that there will be both a psychological and practical impact on those remaining staff and these issues needs to be considered with much greater emphasis by the management team when looking at this type of restructuring. The aim is to provide a much greater understanding, by looking at Starbucks as an example, so that the management team is in a better position to deal with these types of situations in the future (Ferrie et al., 2001) Objectives In order to achieve this aim and to look at the broader issues associated with staff reactions, it is recognised that there will need to be several focussed objectives. Staff reactions are by their very nature going to vary, depending on a variety of subjective factors and by being clear with the objectives this will ensure that the overall aim remains the focus of the research throughout. The key objectives are as follows: To gain an understanding of the initial redundancy or downsizing process, including the impact of the various selection processes; for example, the long-term impact is likely to be different where the redundancy is voluntary and therefore understanding the involvement of those staff retained in the process is the first step to understanding the reactions. To understand the perception of individuals, depending on their role within the downsizing process; this recognises that there are multiple staff being impacted on when some are made redundant as well as the retained staff. These include the staff members who were not involved in the process, in the first place, as well as the managers, to make the ultimate decision. To appreciate the psychological reactions and individual perceptions of those staff members who remain within the organisation, depending on the way in which this process is managed; for example, is there a difference between staff who are engaged with post-redundancy, or does it generally seem preferable to return to a â€Å"business as usual† mentality (Armstrong-Stassen, 1993) Finally, the impact on the performance of the business over a longer time horizon will then be considered, looking at the immediate aftermath, as well as six months or even one year down the line, with potential reference to the ways in w hich staff members then react when the recovery process takes place. For example, it is potentially suggested in the literature that staff lack loyalty to the organisation and when general economic conditions improve may be more likely to look for alternative employment, as a result of the treatment they received during the recessionary period. Research Questions Two key questions emerge from this proposed research: Which factors impact on and to what extent do they impact on the remaining employees, following a period of downsizing or redundancy How can a management team look to mitigate the negative effects of downsizing and redundancy Critical Review of the Literature The literature in this area has already dealt with a variety of factors relating to redundancy and the impact on an organisation, but has not looked specifically at the longer term impact on the retained staff and the wider staff groups that may not have been directly linked to the restructuring and decision making. Firstly, it is noted that research in this area recognises that staff members will typically understand that there are often periods where it is necessary to downsize or restructure, to such an extent that there will be involuntary redundancies. Klein (2009) states that, although staff will recognise this need, there is now also a recognition that the business managers are making decisions with the staff in mind, but are instead looking specifically at the immediate business demands. This shows lack of long term recognition of business sustainability, when it comes to retaining staff loyalty. Research by Machlowitz (1983) looked at the emotions of the individuals, following on from a redundancy situation where they were survivors. This looked at the immediate aftermath, from an individual perspective, finding that individuals typically felt emotions of guilt or isolation, as well as a feeling of betrayal, where they felt that the process had not been undertaken completely fairly. Research from Brockner et al. (1985) looked at a laboratory experiment where students were subject to â€Å"lay offs†, finding that feelings of inequality were emerging and a sense of disgruntlement happened where it was felt that the relationship between the individuals was in some way unfair. This indicates that where there is a redundancy situation, the vitally important aspect to consider is the process of the downsizing, rather than the actual downsizing itself. Anxiety also ranked as a driving factor, as there was the concern that others would be made redundant, in the future. These perceptions and fears potentially result in efficiency within the organisation reducing and the staff then being more prepared to look towards other locations for their long term employment (Hughes, 2000). The longer term impact of staff reduction and downsizing remains largely unexamined and the purpose of this paper is to look at how these activities can have an impact on the longer term operation within the business, by understanding the way in which the surviving individuals react (Cascio,1993). Further research is also required to ensure that the management team understands the impact of the way they handle a downsizing process and that this can have a direct and lasting impact on the success of the business, in the long run. Industry background In order to explore this issue in more detail and to create a relevant analysis, Starbucks is being looked at as a case study. Starbucks presents an interesting opportunity for analysis, as it has risen very rapidly from its first store which opened in 1971 to an organisation that has stores in nearly 21,000 locations across the world. Despite this, during the last ten years, the store has actually reduced its numbers, in the wake of the global financial crisis and lowering profits (Jennings, 2008). Starbucks was not seemingly on the brink of disaster and in fact continued to open up other stores across the world, yet chose to close 600 stores across the United States, creating an interesting question as to how it impacted upon staff members where there were reports of a globally successful organisation that was still experiencing redundancies in their local area. Arguably, the reason for the downsizing in the United States was the recognition that they had achieve the maximum growth available within the industry and they simply had too many stores. Takeaway coffee is largely a luxury product, with a limited number of affluent individuals able to partake on a regular basis. Despite Starbucks being a popular location for individuals and being recognised as an outlet in which individuals can choose to spend a large amount of time working or meeting friends, there are some limits to the number of customers who are prepared to pay premium price for good quality beverages. With an industry essentially at saturation point, there needs to be a readjustment of strategy, yet there is likely to be a reaction from the employees who feel somewhat jilted having been involved in the dramatic growth and now suffering from their own success and hard work. This type of reduction is therefore particularly interesting, as it is a reaction within the industry, rather than something which can necessarily be attributed to the staff members themselves. Research design The research design for this paper is particularly important, as it involves looking at the feelings and reactions of individuals, thus making it a different type of research than simply collecting statistical data and then analysing this in a quantitative manner. In order to look at the reactions of individuals to a downsizing scenario, it is necessary to consider a sufficiently broad range of individuals, to gain any material understanding of exactly what is actually going on and the way in which individuals react. Different individuals will naturally react differently to a downsizing scenario. Certain individuals may even view this as an opportunity to further their own position, as there will be less competition within the organisation when it comes to securing their future; others will be much less positive, despite both individuals being part of the same process (Vahtera et al., 1997). For this reason, the primary method of research will be a detailed case study of precisely what is happening within the organisation. This will include an understanding of the management theory behind the downsizing, before then going on to undertake a relatively detailed questionnaire with individuals from a variety of different locations, all of whom have been affected by the downsizing in some way, as well as completing at least two focus groups where individuals are brought together to discuss their experiences. This form of research is particularly important in this scenario, due to the fact that when individuals are left to openly discuss their thoughts and feelings, it is likely that they will open up and produce a much deeper understanding of their reactions (Weca, 2008). Data Analysis Plan Due to the qualitative nature of the research planned, the necessary data analysis also needs to be sufficiently open to looking at individual reactions and trying to find consistency of patterns of behaviours or thoughts. For this reason, the questionnaires will involve a quantitative analysis of the results, which will offer an understanding of any patterns being formed, before then looking towards the qualitative aspect of the research, in order to understand why certain responses have been obtained. By taking this two-stage approach, it is anticipated that the overall conclusions will have sufficient certainty, based on the quantitative analysis and will also be able to add to the understanding, through the use of individual thoughts and responses. A particular concern does arise, however, that there will be some limitations in the accuracy of the research. Firstly, the research focuses on survivors within a certain location or organisation and there may be an unwillingness of th e individuals to be completely open about their thoughts and feelings, for fear of jeopardising their own position in the future. There are also likely to be limitations, due to the fact that this research is focusing on one organisation alone and downsizing may have different responses in different organisations (Stone, 2008). By ensuring that any results obtained are dealt with anonymously, this will assist in some way to ensure greater accuracy. Nevertheless, there will always be the need to recognise that interviewing survivors of a redundancy process is potentially a skewed approach and some individuals are going to present an inaccurate picture, purely to further their own position, or at least to protect it. On balance, however, this overall analysis is likely to present the most balanced result and also establish some themes and generalisations which will be useful for the future. Conclusion In conclusion, understanding the impact of a downsizing programme on surviving staff members is crucial to the approach taken by the management team and any such situations in the future, either within the same organisation or for management teams of other organisations (Schwaner-Albright, 2008). Personal reactions to a situation can be somewhat difficult to appreciate and understand, due to the fact that individuals, by their very nature, will react differently to exactly the same factual scenario. The aim of this research, is to identify themes and generic strategies that may be useful to those looking at downsizing in the future, in order to ensure that surviving members of staff do not suffer from the negative effect of the redundancies and that the organisation is able to return to full efficiency, as soon as possible. Time-scale for Project This research is being undertaken over one academic year, although the plan is to undertake a full research and write-up within eight months. The following chart depicts the general approach that is being followed. 12345678 Background, Aims and Objectives Literature Review Research Design Research Collection Analysis of Research Writing Up Revisiting and Checking The majority of this research will involve the collection of primary data and the analysis of the research findings that have then been collected. It is anticipated that there will need to be several re-visits to the original data, as new information or themes arise. For example, analysing questionnaires will provide a strong starting point for the focus groups, but following the focus groups, it may then be necessary to go back to the questionnaires to further explore certain key issues. It is for this reason that the research collection and analysis of research findings takes up such a substantial part of the time allowed. There is a degree of flexibility in this process and the research will be sufficiently flexible to ensure that the key points arising from both the case study, conducted as part of the literature review and the research collection, is able to take a longer period of time, if required. Resources As noted previously, the research is focusing entirely on the experience of individuals within one organisation. Therefore, good access to those individuals will be an essential element of ensuring that this research is conducted in sufficient depth. It is also noted at the outset that one of the main aims of this research is to provide the management team with guidance as to how it can better manage a downsizing operation in the future and therefore having management support in order to gain access to key individuals is a necessary resource. Secondly, understanding the responses received and looking at existing literature will also require access to a variety of different publications, although this can largely be obtained through library facilities. On balance, the key resource within this research is the ability to speak to a variety of individuals who have survived the downsizing process in Starbucks. This will require the management team to be completely supportive of the overall agenda. Individuals may be reluctant to speak about the subject or do not feel that the management team is supportive of this. No specific software is required for the analysis, although Microsoft Office suite including Excel will be useful, in order to collate the information received. References Armstrong-Stassen, M. (1993). Survivors reactions to a workforce reduction: A comparison of blue-collar workers and their supervisors. Canadian Journal of Administrative Sciences, 10: 334-343. Cascio, W. F. (1993). Downsizing: What do we knowWhat have we learnedAcademy of Management Executive, 7: 95-106. Ferrie, J. E., Shipley, M. J., Marmot, M. G., Martikainen, P., Stansfield, S. A., & Smith, G. D. (2001). Job insecurity in white-collar workers: Toward an explanation of associations with health. Journal of Occupational Health Psychology, 6: 26-42. Hughes, J. (2000). Avoidance of emotional pain during downsizing in a public agency. Consulting Psychology Journal: Practice and Research, 52: 256-268. Jennings, L. (2008). Starbucks to pull breakfast items, shut 100 units, put focus back on java. Nation’s Restaurant News. [Online Version] published 11th February 2008, reproduced in bnet.com, available from http://findarticles.com/p/articles/mi_m3190/is_6_42/ai_n24267543 [Accessed 12/11/2014]. Kivimaki, M., Vahtera, J., Pentti, J., & Ferrie, J. (2000). Factors underlying the effects of organizational downsizing on health of employees: Longitudinal cohort study. British Medical Journal, 320: 971-976. Schwaner-Albright, O., (2008). Tasting the future of Starbucks coffee from a new machine. The New York Times. [Online Version]. Published March 26th 2008, available from: http://www.nytimes.com/03/26/dining/26starbucks.html?_r?=2&sq=starbucks&st=nyt&oref=slogin [Accessed 12/11/2014]. Stone, B. (2008). Starbucks Plans Return to its Roots. The New York Times, [Online Version], published March 20th 2008, available from: http://www.nytimes.com/2008/03/20/business/20sbux.html?pagewanted=2&_r=1&sq=starbucks&st=nyt&scp=3 [Accessed 12/11/2014]. Vahtera, J., Kivimaki, M., & Pentti, J. (1997). Effect of organizational downsizing on health of employees. The Lancet, 350: 1124-1128. Weca (2008). Pay more/ stop reliance on Tips. Mystarbucksidea.com. Posted May 23rd 2008, available from http://mystarbucksidea.force.com/ideaView?id=087500000004hShAAI[Accessed 12/11/2014].

Persuasive Essay On Racial Profiling - 1488 Words

Racial profiling existed back in the 18th century when black slaves were abused and oppressed by white men even those who didn’t own slaves. Throughout history, racial profiling still continues to be a controversial issue today. It’s practiced everyday. Racial profiling means using an individual’s race or ethnicity against them of committing a crime. This means oppressing other races to feel inferior and accusing others to a certain stereotype. Racial profiling is when a black person in ripped jeans and a dark hoodie walks down an alley and is accused for committing a crime that the person has never done. Police Departments practice racial profiling indiscreetly and defend for its use for the â€Å"safety of others† or a â€Å"necessary good.† Since†¦show more content†¦These types of apps passively promote racial profiling that creates the mindset that a different neighborhood from the individual’s own community is â€Å"dangerous. † However, the issue of racial profiling can be viewed from a different perspective. Pro-racial policing supporters claim the â€Å"GhettoTracker† is effective because it distinguishes actual danger or â€Å"ghetto† neighborhoods. A statement from the New York Police Department states â€Å"insist that these stops of innocent people†¦ help fight crime. And they insist that the policy is not racist† (Herbert, 13). The police department â€Å"insist† that their policy are not at all racist; however, many incidents and cases involve minorities being stopped and frisked for committing a crime they did not do. Although police departments may believe their policy â€Å"is not racist,† it’s clearly seen in incidents that these stops of innocent people based on majorly on their race proves these stops are not to â€Å"help fight crime,† but racially profile minorities. The N.Y. Police Department claim that the â€Å"stops of innoc ent people† reduce criminals. Although it may be true, it’s undeniably increasing the practice of racial profiling and defending it as a necessary safety protocol. It’s not a safety protocol when there’s unnecessary harassment and disrespect involved. Police officers value these apps for the safety of residents, but how can it be safe if it violates the safety of innocent minorities? Eventually,Show MoreRelatedPersuasive Essay On Racial Profiling1414 Words   |  6 Pages Racial Profiling Due to a Lack of Communication Imagine walking down the street one day with your friends, minding your own business when a police car pulls up next to you. 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How Do You Recycle Phonebooks

Many recyclers will not accept telephone books because the fibers used to make the books’ lightweight pages are too short to be reformulated into new paper, reducing their value. In fact, mixing old phonebooks in with other waste paper can even contaminate the batch, hindering the recyclability of the other paper fibers. Nonetheless, phonebook papers are 100 percent recyclable and are used primarily to—you guessed it—make new phonebooks! In fact, most phonebooks distributed today are made from re-fabricated old phonebook pages mixed with some scrap wood to strengthen the fibers for re-use. Old phonebooks are also sometimes recycled into insulation materials, ceiling tiles and roofing surfaces, as well as paper towels, grocery bags, cereal boxes and office papers. In fact, in a gesture both symbolic and practical, Pacific Bell/SBC now includes payment envelopes in its bills created from old Smart Yellow Pages phonebooks. The Benefits of Recycling Phonebooks According to Los Gatos, California’s Green Valley Recycling, if all Americans recycled their phonebooks for a year, we would save 650,000 tons of paper and free up two million cubic yards of landfill space. Modesto, California’s Parks, Recreation Neighborhoods Department, which lets city residents include phonebooks with their regular curbside pickup, says that for each 500 books recycled, we save: 7,000 gallons of water3.3 cubic yards of landfill space17 to 31 trees4,100 kilowatts of electricity, enough to power an average home for six months Consumers trying to do the right thing should find out when and how their town or phone company will accept phonebooks for recycling. Some will only take phonebooks back at certain times of year, often when new books are being distributed. Some schools, echoing the â€Å"newspaper drives† of bygone days, run contests in which students bring old phonebooks to school where they are then collected and sent off to recyclers. To find who will take phonebooks in your area, you can type your zip code and the word phonebook in the recycling solution search tool on Earth911s website.   If You Cant Recycle, Reuse Even if your town  will not accept phonebooks at all, and you can’t find anywhere else to drop them, there are other options. First, you can ask your phone company not to send you one. There are plenty of online tools which allow you to find residential and business phone numbers, Old phonebooks have many practical uses. Their pages make excellent fire starters in a wood-burning fireplace or outdoor fire pit. Balled up or shredded phonebook pages also make nice packaging filler in place of problematic polystyrene â€Å"peanuts.† Phonebook pages can also be shredded and used as mulch to keep weeds down in your garden. The paper is biodegradable and will eventually return back to the soil. There are also a number of telephone book collectors; some who make money selling their stock to those with a historical interest or who are researching family genealogies. Lifelong collector Gwillim Law sells old phonebooks from all 50 U.S. states as well as from most Canadian and Australian provinces. Edited by Frederic Beaudry