Ethical Egoism And Psychological Egoism

Ethical Egoism And Psychological Egoism In Platos Republic and in Rachels Egoism and Moral Skepticism, both authors address two important facets of human morality: epistemologically objective. Ethical egoism is a normative claim, which states that moral beings ought to do what is in their best interests. Psychological egoism, on the other hand, is a descriptive claim that all moral beings can only act in their own self-interests, even when appearing to act in the interests of others. The difference between both claims lies in the fact that one is a normative claim and the other is a descriptive claim. A normative claim involves judging what people should do and creates a moral standard. A descriptive claim then, essentially describes the actions of moral beings and creates a moral standard based off their behavior. Due to the relatedness of both claims, I must first clearly distinguish the key features of each argument. In Glaucons Challenge Plato creates a long dialogue between Socrates and Platos brother, Glaucon. In his dialogue, Glaucon supports the view that people only act justly because they will believe it will help them attain beneficial ends for themselves and argues that human beings are not ethical egoists but rather psychological egoists. In Rachels essay, he attempts to distinguish between what psychological and moral egoism are and how inevitably neither are justified. Therefore, by drawing on the arguments from Glaucon and the claims discussed by Rachels, I will disprove the claim of ethical egoism and prove that human beings can, in fact, act solely for their own self-interest. First, I will begin by examining Glaucons Challenge on ethical and psychological egoism. In Platos Republic, Socrates raises the issue of whether goodness and virtue are truly worthwhile for the individual. In Gyges Ring, Socrates presents a story where a man named Glaucon discovers a ring, which makes him invisible. In it, he poses the question of whether we would act justly, despite the fact that we could get away with immoral conduct. In essence, he asks whether we should live a life of virtue. Next he asks us to imagine if two such rings existed, where a virtuous man and rogue each received one of the rings. Glaucon claims that the rogue would naturally use the ring for his own personal pleasure with no moral constraints. As for the moral man, Glaucon suggests that he will act no better than the rogue. He defends this position by claiming that no one has enough will to resist the temptation to do things for their own self-interest. In this argument Glaucon asks why there is any r eason for a moral person to act any differently from an immoral person. While his argument appears sound, critics argue that some acts appear to be unselfish in nature. As well, critics arguing for ethical egoism also state that we must desire things other than my own self-interests in order to get self-interests. Therefore, if we derive self-interest from playing soccer, unless we desired, for our own sake, to play soccer, we would not derive some self-interest from playing. However, if our self-interests consist simply in the satisfaction of self-regarding our interests, then human beings are still regarded as psychological egoists. Psychological egoists such as Glaucon claim their points using two arguments. The first being simply that the life of an unjust person is much better than the life of a just person. The second argument being that for psychological egoism, selfless actions always create self-satisfaction in the moral agent and this produces a pleasant state of conscious ness. Therefore, the action performed by the moral agent is really done to create an enjoyable state of consciousness rather than to aid the interests of others. Using such arguments, Glaucon is able to rule out situations such as altruistic behavior or motivation by thoughts of duty alone as proves for ethical egoism. Second, I will examine Rachels essay on ethical and psychological egoism. In his first argument Rachel suggests selfless actions are really just done voluntarily and that the agent is really just doing what they wanted to do. An example used by Rachel would be if Mr. Smith stayed behind to help a friend rather than go on vacation. While this may appear altruistic, what is really happening is that Mr. Smith wanted to stay behind to help his friend more than he wanted to go on vacation. In this way, his action is no longer selfless but rather selfish since he was only doing what he wanted to do. By examining Mr. Smiths decision from a different view, it is clear that what appears to a voluntary act of kindness is really just an act out of self-interest. His second argument for psychological egoism is that unselfish actions always produce a sense of self-satisfaction for the moral agent. Therefore, any selfless action by the moral agent is only unselfish at a sort of superficial level. Rachel uses a story where Lincoln once expressed this debate in describing the position between ethical and psychological egoism. In this story, Lincoln and a fellow passenger are discussing how all men are prompted by selfishness in doing any good. As they pass over a bridge in their carriage, both hear a sow yelling for help as her pigs are about to drown. Lincoln then gets out of his carriage and saves the pigs, then returns to his carriage. His companion remarks 1Abe, where do selfishness come in on this little episode? Lincoln then replies, Why bless your soul, that was the very essence of selfishness. I should have no peace of mind all day had I gone and left them. Lincoln uses the incident with the suffering sow in order to show that his altruistic act was done out of his belief in psychological rather than ethical egoism. Had he not helped the sow, he would have had no peace of mind all day while riding with his companion. Instead, he selfishly saves the pigs in order to hel p himself. Rachel attempts to refute this claim by stating that it is the object of any action rather than the personal desire that will determine whether an action is unselfish or not. Ethical egoists, on the other hand, argue that even though altruism is possible to act on, there is no reason why anyone should act selflessly. Rachels is able to refute this by arguing that no reasons are required in performing actions that help others. However, since all human beings innately do not care about the effects of their actions on others, this arguments premise is incorrect. Therefore, it is clear that the view of ethical egoism as a moral standard of what people ought to do is clearly incorrect since no matter what situation is produced, the moral agent will always act in their self-interest and that any positive outcomes on others is just a positive consequence. Thus, no matter what situations are presented to argue that moral beings ought to do what is in their best interests, it has been shown that all moral beings can only act in their own self-interests, even when appearing to act in the interests of others. In conclusion, after examining Glaucons Challenge from Platos Republic and Rachels essay on ethical egoism, it is clear that Glaucon was correct in stating that there is no reason for man to be moral. 1 Gendler, T., Siegel, S., Cahn, S. M. (2008). Egoism and Moral Skepticism. The Elements of Philosophy: Readings from Past and Present (p. 235). Oxford : Oxford University Press.

control in brave new world :: essays research papers

Control in Brave New World   Ã‚  Ã‚  Ã‚  Ã‚  In his novel Brave New World, Aldous Huxley illustrates ways in which government and advanced science control society. Through actual visualization of this Utopian society, the reader is able to see how this state affects Huxley’s characters. Throughout the book, the author deals with many different aspects of control. Whether it is of his subjects’ feelings and emotions or of the society’s restraint of population growth, Huxley depicts government’s and science’s role in the brave new world of tomorrow.   Ã‚  Ã‚  Ã‚  Ã‚  One aspect of control that is touched upon from the beginning of the novel until the end is the control of the population birth and growth. As a way to maintain the society’s motto of â€Å"Community, Identity and Stability,† the number of inhabitants is managed through the artificiality of the brave new world’s use of technology. In the first chapter of the novel, the reader is introduced to the process of creating humans in this Utopia. The advancement of science made it possible for the building of an artificial arrangement with the reproductive glands and equipment needed for fertilizing and hatching the resulting eggs. The fact that machines do what is done by human reproductive systems shows how science has dominated over man in this world.   Ã‚  Ã‚  Ã‚  Ã‚  The actual process of creating humans is made possible through the use of a single ovary which makes thousands of identical people. Since these people are similar in appearance, thought and relations, they are able to live in perfect harmony with each other. Huxley uses Lenina and Fanny, two of his female characters who are distant relatives from the same ovary, as people who get along well and are on the same page on issues concerning Utopian lifestyles. This is how the government of Utopia, made up of only ten controllers, is able to maintain stability among its people. Since stability is part of the brave new world’s motto, it is a crucial deal for the government to uphold.   Ã‚  Ã‚  Ã‚  Ã‚  Something else that is controlled by government and science is any thing to do with marriage, romance and pregnancy. It is a rule by the government for everyone to freely have sex with anybody at anytime they want. It is against the rules of the Utopia to date anyone regularly. Government forbids anyone to go towards thoughts of monogamy and romance because they require too much time and bring no stability to life.

Fall in Elderly

1 The Role of Tai Chi Exercise in Promoting Health Benefits for Older Persons Fuzhong Li, Ph. D. , Oregon Research Institute Tai Chi, or Taijiquan to be exact, originated in China about 300 hundreds years ago (China Sports, 1980) and began as a form of martial arts like boxing. It has continued to evolve from being originally used as a combative and self-defense form to a health-enhancing exercise, practiced by individuals of all ages to maintain health and prevent disease. As an alternative exercise, Tai Chi has drawn increasing research interest, with accumulating evidence showing the therapeutic value of Tai Chi to overall health and well-being. The goal of this paper is to summarize current research findings with a particular focus on geriatric populations, discuss findings with respect to their practical implications, and highlight future research directions. Overview of Research Findings A number of excellent review articles exist showing evidence that Tai Chi generates various health benefits for individuals of varying age groups and patient populations (Fasko & Grueninger, 2001; Lan, Lai, & Chen, 2002; Li, Hong, & Chan, 2001; Verhagen, Immink, va der Meulen et al. , 2004; Wang, Collet, & Lau, 2004; Wayne, Krebs, Wolf, et al. , 2004; Wu, 2002). Without overdue redundancy, the following provides a summary review of research studies that involve randomized controlled trials (RCTs) although results from non-RCTs are reported in the absence of RCTs. With aging processes, declines in physical and mental status in older adults often result in balance control impairments, functional limitations in locomotor activities, disability in particular activities, and decreased quality of life. Therefore, this review also focuses on health outcomes that have been shown to be clinically most relevant to this population. These include balance and falls, musculoskeletal conditions, sleep quality, cardiovascular and respiratory function, and psychosocial wellbeing. Balance Control, Falls, and Fear of Falling Falls are significant public health problem among older adults (Murphy, 2000; Stevens, 2005), making it a major threat to the independence and quality of life of older adults, as well as imposing significant burden to individuals, society, and national health systems (National Action Plan, 2005). As a stand-alone exercise intervention, Tai Chi has been shown to reduce the risk for falls. Wolf and his colleagues (1996) conducted the very first randomized controlled trial comparing the efficacy of two methods of exercise on falls. Community living healthy adults were randomized to one of three groups: Tai Chi training; computerized balance training; and an attention control. Results of this 15-week trial showed that Tai Chi participants experienced significant reductions (by about 47%) in falls compared to the exercise control participants. In a follow-up 48-week RCT, Wolf et al (2003) evaluated Tai Chi with older adults who were less robust (that is, transitioning to frailty). No significant between-experimental group reductions in falls were observed. However, by analyzing fall data from month four through month twelve, the study showed a significantly reduced risk of falls in the Tai chi group compared with the exercise control group. In an independent study, Li et al. (2005) confirmed the general findings of those reported by Wolf and his colleagues. These researchers reported that, at the end of a 6-month Tai Chi intervention, significantly fewer falls (38 versus 73), lower proportions of fallers (28% versus 46%), and injurious falls (7% versus 18%) were observed in the Tai Chi condition, compared to a low-impact stretching control condition. Overall, the risk of multiple falls in the Tai Chi group was 55% lower than that of the stretching controls. In addition, compared to stretching control participants, Tai Chi participants showed significant improvements in measures of functional balance, physical performance, and reduced fear of falling. Of equal importance, intervention gains in these measures were maintained at a 6-month postintervention follow-up in the Tai Chi group (Li et al. 2004). Musculoskeletal Conditions Evidence to date indicates that Tai Chi training preserves or even increases lower-extremity muscle strength. Wolfson et al. (1996) showed that 6 months of Tai Chi training (following their primary interventions) did not improve lower-extremity muscle strength, compared to an exercise control group. However, their data did indicate that Tai Chi training preserved lowerextremity strength gains developed by the intervention. In a 20-week pilot study, Christou et al. 2003) showed that, compared to those in the control condition, Tai Chi participants significantly improved knee extensor strength and force control among older adults. Tai Chi also appears to be safe and beneficial for patients with rheumatoid arthritis. In a randomized trial among older women with osteoarthritis, Song et al (2003) showed a 12-week Tai Chi program resulted in significant improvements in pain and stiffness in joint s, balance, and abdominal strength, and fewer reported perceived difficulties in physical functioning, compared to those of control subjects. Another randomized trial, Hartman et al (2000) showed that a 12week program significantly improved osteoarthritis symptoms such as fatigue, arthritis selfefficacy, feelings of tension, and satisfaction with general health status. More recent evidence points to the potential of Tai Chi as a weight-bearing exercise for retarding bone loss in older women. In a 12-month randomized trial, Chan et al (2004) tested the hypothesis that Tai Chi may retard bone loss in early postmenopausal women. At the end of the trial, bone mineral density (BMD) measurements revealed a general bone loss in both Tai Chi and control subjects at all measured skeletal sites, but with a slower rate in the Tai Chi group. Although the BMD findings were equivocal, the findings lend some support for the potential of Tai Chi to retard bone loss. Cardiovascular and Respiratory Function Although numerous studies have evaluated the effects of Tai Chi on cardiovascular and respiratory function, no RCTs have been reported that involve older adults. A number of Taiwanbased observational studies have shown improvements in cardiorespiratory function resulting from Tai Chi. For example, among long-term older adults practicing Tai Chi, significantly better cardiorespiratory function has been reported (Lai, Lan, Wong, & Teng, 1995; Lan, Lai, Chen, & Wong, 1998), and improvements were also observed among coronary artery bypass surgery patients deemed to be at low risk during their participation in a Tai Chi exercise program (Lan, Chen, Lai, & Wong, 1999). Hypertension Tai Chi is a low-impact activity with self-paced and fluid movements, making it appropriate as a means to reduce blood pressure in people with hypertension. Two intervention trials compared the effects of Tai Chi and aerobic exercise on blood pressure – a surrogate for hypertension. An earlier study by Channer et al (1996) showed that over 11 sessions of exercise, both Tai Chi and aerobic exercise were associated with reductions in systolic blood pressure; Tai Chi was also associated with reductions in diastolic blood pressure in a sample of patients recovering from acute myocardial infraction. In a different study by Young et al. (1999), physically inactive older women with systolic blood pressure 130-159 mmHg and diastolic blood pressure > 95 mmHg were randomized to a 12-week moderate-intensity aerobic exercise program or a Tai Chi program of light activity. At the end of the intervention, the Tai Chi group decreased 7. 0 mmHg of systolic and 2. 4 mmHg of diastolic blood pressure. No significant differences were observed between the two exercise activities. The authored concluded that programs of moderate intensity aerobic exercise and light exercise may have similar effects on blood pressure in previously sedentary older individuals. Quality of Sleep Self-reported sleep complaints are common among older adults (Neubauer, 1999) and it is estimated that up to 50% of elderly persons complain about their sleep (Alessi, 2000). Li et al. (2003) conducted a six-month intervention trial to examine the impact of a simpler Tai Chi program on improving quality of sleep and reducing daytime sleepiness among older adults reporting moderate sleep complaints. Participants were randomly assigned to a Tai Chi group or an exercise control group. At the end of the study, Tai Chi participants reported significant improvements in several sleep-quality related measures in comparison to the control participants; with reduced sleep latency (by about 18 minutes per night) and daytime sleepiness, and improved sleep duration (by about 48 minutes per night). The study provided preliminary evidence linking the benefits of Tai Chi exercise to improved quality of sleep and reduced daytime sleepiness in older adults. Psychosocial Wellbeing and Confidence Li and his colleagues (2001a,b,c,d, 2002a, 2002b) provided a series of reports examining the extent to which Tai Chi enhanced older adults’ multidimensional psychological well-being and health-related quality of life indicators. In a 6-month randomized controlled trial, healthy older adults were randomly assigned to either a control condition or Tai Chi. Results indicated that Tai Chi participants reported higher levels of health perceptions, life satisfaction, positive affect, and well-being, and lower levels of depression, negative affect, and psychological distress (Li et al. 2001a). Participants also showed higher levels of both domain-specific physical self-esteem (Li et al. , 2002b) and exercise self-efficacy relevant to movement confidence (Li et al. , 2001c). Change in the level of movement self-efficacy was found to be significantly related to change in physical functioning (Li et al. , 2001b). Similar profiles have been reported by other researchers (Kutner, Barnhart, Wolf, McNeely, & Xu 1997) in that Tai Chi practice resulted in improved well-being, increased alertness, relaxation, better mental outlook, achievement, and greater confidence. Practical Implications The previous summary and review makes it clear that Tai Chi provides multiple health and therapeutic benefits for older adults. Thus, some discussion of practical implications appears to be in order. Fall Prevention Falls can result in devastating consequences for older adults. Accumulating evidence to date suggest that Tai Chi may be an effective means of improving deficits in balance and functional limitations, and therefore, may serve as a therapeutic exercise for balance and strength, and consequently, reduce the risk of falling and the rate of falls in older adults. Tai Chi may also be considered as an exercise modality that generates confidence building to counteract fear of falling, a common psychological symptom of falls among community adults. However, Tai Chi does not provide a quick fix for the fall problem. Most research in this area has focused on short-term results. Findings from current RCTs show that, however, a minimum of three months training is required before clinically meaningful reductions in risks of falling can be achieved, suggesting the need for long-term, sustained, and frequent practice, perhaps on a day-to-day basis, to obtain the full benefit. Tai Chi as an Alternative, Therapeutic Exercise Tai Chi has been recommended for treating many chronic conditions. For example, as a lowimpact, low-intensity alternative exercise therapy, Tai Chi has also been proposed as a potential option for the management of osteoarthritis (Lumsden, Baccala & Aartire, 1998). As a fall prevention activity, Tai Chi has emerged as an appropriate stand-alone balance training program for older adults to improve balance and prevent falls (JAGS, 2001). But even though Tai Chi appears to have numerous benefits to participants, it is still too early for physicians to begin prescribing Tai Chi as a remedy for chronic health problems because many of the studies have design limitations (Wang et al. , 2004), making it difficult to generalize results to broader patient populations. In this regard, patients with chronic health problems need to take precautions before beginning a Tai Chi program, because for some people Tai Chi could worsen medical conditions or problems/ symptoms. In some cases, appropriate odifications may be needed to better accommodate patients’ special needs or physical limitations. Program Costs, Logistics, and Protocols One of the most desirable aspects of Tai Chi is its absence of a need for high technology in promoting health. Tai Chi is easily distinguished from highly technical computerized balance training protocols, and may be just as successful in achieving fall reduction or balance improvement objectiv es; certainly, Tai Chi is more practical. Tai Chi is a low-cost exercise regimen because special equipment or facilities are not needed (Lan et al. 2002; Li et al. , 2003). Li et al (2001b) reported that, in a 6-month RCT, the total direct cost was approximately $9000 (an average of $3. 50 per person per session). Others (Wilson & Datta, 2001) have reported that a twice weekly Tai Chi program was cost-saving whether direct benefits alone (hip fracture costs averted) or direct plus indirect benefits were considered, with a total net cost savings of $1274. 43 per person per year. When considering direct cots only, the net cost savings were $8. 04 per participant per year. Lower costs ensure that more community-dwelling older adults have 5 sufficient access to programs, and abundant opportunities to participate, which is likely to have profound public health implications. While costs of learning Tai Chi are potentially low, one should not underestimate the fact that Tai Chi is a complex system of movements that, when performed, requires body awareness, motor coordination, and agility; features that could make Tai Chi less immediately deliverable to community adults (Li et al. 2003). Therefore, even though the benefits of regular Tai Chi exercise are quite clear, the challenge of maximizing the opportunity for older persons remains because certain movements may be beyond the capabilities of some elderly individuals or others with disabilities. Thus, there is a need to modify existing Tai Chi protocols to develop forms that are simple, easy to perform, and enjoyable (Chen, 2002; Li et al. , 2003; Wolf et al. , 1997), and that do not require years of sust ained practice to master. Tai Chi Styles There are several styles of Tai Chi, some of which are historic/traditional and some of which are of more recent origin. The earliest known form can be traced to the Chen style and evolved and progressed into multiple styles or schools. Currently, there are five main schools of Tai Chi (People’s Sports, 1996), each named after the style’s founding family: (a) Chen, (b) Yang, (c) Sun, (d) Wu (Jian Qian), and (e) Wu (He Qin). Each style has a characteristic protocol that differs from other styles in the postures or forms included, the order in which they appear, the pace at which movements are executed, and the level of difficulty. For example, one significant difference between Chen and Yang styles is that Yang style movements are relaxed and evenly paced. By comparison, the Chen style is characterized by alternating slow movements with quick and vigorous movements, including restrained and controlled actions/motions, reflecting its martial origin. Yang Style Tai Chi, which evolved from the Chen school, is probably the most popular Tai Chi style being practiced today (e. g. , Swaim, 1999; Yu & Johnson, 1999). Yang style movements are performed in a relaxed and flowing manner, with the trunk erect as the axis of all movements, making it immediately suitable for elderly, frail, or disabled populations. To date, the Yang style, with its variations, has been used as an therapeutic exercise modality in most medical and behavioral research. Although there are multiple versions of the Yang style (both short and long, covering 24-, 48-, 88-, and 108-Forms) (China National Sports Commission, 1983), the 24-Form, based on the most popular sequences of the Yang Chengfu school (China Sports, 1980; People Sports, 1996), is the most readily adaptable to the lifestyles and living situations of older adult populations. It is also the most accommodating, requiring minimal demands of personal strength, speed, endurance, flexibility, and motor skills for participation. Is Tai Chi Ready for Dissemination? In a 2001 joint communique on the prevention of falls among the elderly, the American Geriatrics Society, the British Geriatrics Society, and the American Academy of Orthopedic Surgeons suggested that Tai Chi â€Å"†¦is a promising type of exercise, although it requires further evaluation before it can be recommended as the preferred balance training† (JAGS, 2001). Since the publication of this joint communique, one large successful RCTs has been published (Li et al. , 2005) providing supporting evidence documented by Wolf et al. ’s earlier work (1996). As a result of these studies, we should be asking questions about how we can most effectively translate and disseminate the Tai Chi program. With this accumulated evidence, the time is near 6 for Tai Chi to be recommended as a preferred exercise for balance training and be routinely prescribed for older patients at risk for falling following appropriate screening. Future Research Directions Despite the increasing interest in studying the effectiveness of Tai Chi training and the resulting evidence of health benefits, there remain areas that require further research. We highlight a few of these. A Need to Understand the Mechanisms of the Benefits Shown Although findings from Tai Chi intervention studies are important from a public health perspective, they provide little information relative to the underlying mechanisms that may produce such effects. In this regard, little attention has been given considering intervention/treatment mediators or moderators that help identify causal pathways between treatment and outcome, and possible mechanisms through which a treatment might achieve its effects. For example, although Tai Chi has repeatedly been shown to improve balance, possible mechanisms by which Tai Chi improves this outcome, and prevent subsequent falls, remains to be determined. Future studies should target specifically older adults with balance impairments, and consider integrated laboratory and/or clinical measures that may help identify specific mechanisms whereby Tai Chi can remedy balance disorders. A Need to Better Understand Effects to Patients with Chronic Conditions A review by Wang et al. (2004) concluded that there is insufficient information to recommend Tai Chi to patients with chronic conditions. For example, the impact of Tai Chi on several important geriatric syndromes such as frailty, dementia, and sarcopenia are worthy of study or further research. Large clinical trials, involving populations with specific medical conditions are needed before health professionals can recommend Tai Chi exercise as an alternative to the more conventional exercise forms that have been shown to produce health benefits. The potential application of Tai Chi to important geriatric issues yet to be studied include: obesity, osteoporosis, diabetes, neurological disorders (e. g. , Parkinson’s disease; peripheral neuropathy). A Need to Study Long-Term Effects Tai Chi intervention studies are typically conducted with a short-duration (e. g. , 3 months, 6 months). Long-term effects of Tai Chi training (e. g. , 12 months up to 2 or 3 years) are largely undetermined. Therefore, questions such as how long the established effects on clinical endpoints will sustain over a longer period of time remains to be determined. Certain outcomes may take a longer time to show an effect. Reductions in falls are a good example. Other outcomes such as BMD, may require up to one year to demonstrate clinically meaningful change because Tai Chi is a low-impact activity. Also, research from the general exercise literature indicates that people who participate in an exercise program often fall back into their older inactive lifestyle after a program ends (van der Bij, Laurant, & Wensing, 2002). Although anecdotal evidence suggest that participants remained active upon program termination (Li et al. , 2001b; Wolf et al. , 1996), critical issues such as getting people to initiate and maintain the Tai Chi activity over a long-term need to be addressed. A Need to Evaluate Programs That Can Be Disseminated in Broader Community Settings Ultimately, for the results of the research-based evidence to have greater public health impact they must be diffused and made accessible to the community. However, it remains unclear whether the general community can readily implement or adopt these Tai Chi training protocols despite evidence of their tested efficacy. To date, there is no widespread, nationally available Tai Chi-based falls prevention program that is based on the effectiveness of scientifically controlled studies. In this regard, program evaluation research is needed to translate effective interventions into a program that is implementable in community settings. The Oregon Research Institute is currently conducting a project to move effective interventions into community practice. The project has identified randomized controlled studies of scientifically-based effective Tai Chi fall interventions and focuses on issues related to â€Å"reach† (i. e. , proportion of older adults who are willing to participate in a given Tai Chi program initiative), â€Å"uptake† (adoption; i. e. , the proportion of settings and service agencies who are willing to initiate a program), and â€Å"implementation† (i. e. the intervention agents' fidelity to the various elements of a Tai Chi training protocol, including consistency of delivery as intended and the time and cost of the intervention). The intended results of this translation and dissemination project will provide an effective, evidence-based falls prevention package that can be implemented in community settings to improve functional ability and reduce fall prevalence among communit y-dwelling older adults. Summary The extant research evidence provides strong support for what was originally considered â€Å"anecdotal evidence† about the health benefits of Tai Chi for older adults. Overall, Tai Chi has been shown to have physiologic and psychosocial benefits and appears to be safe and effective in promoting balance control and muscular strength, and cardiovascular fitness for older adults. More research is needed, with rigorous scientific methodologies, to fully understand the mechanisms whereby Tai Chi produces these health benefits. From a public health perspective, immediate efforts are needed to translate programs that can be disseminated in local settings that target community healthy older adults. Fuzhong Li, Ph. D. , is a Senior Research Scientist at the Oregon Research Institute, Eugene, OR. References Alessi, C. A. (2000). Sleep disorders. In Beers MH, Berkow R, eds. The Merck Manual of Geriatrics. 3rd edition. NJ: Merck & Co, 459-463. 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