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In this paper, we develop an agent-based model of social influence on body weight. The model's assumptions are grounded in theory and evidence from physiology, social psychology, and behavioral science, and its outcomes are tested against longitudinal data from American youth. We discuss the implementation of the model, the insights it generates, and its implications for public health policy. By explicating a well-grounded dynamic mechanism, our analysis helps clarify important dependencies for both efforts to leverage social influence for obesity intervention and efforts to interpret clustering of BMI in networks. [ABSTRACT FROM AUTHOR]

The potential of a transdisciplinary research method—Quali-Quantitative Analysis (QQA)—for delivering better evidence for healthy aging is explored. Illustrative reviews from the literature on healthy aging are summarized, as are papers on methodology by Charles Ragin and colleagues. The evidence needs for healthy aging are explored, particularly in relation to the ability of randomized controlled trials (RCTs) to deliver rich, diversity-oriented evidence. The techniques of QQA, which involves treating cases as configurations, are described. The QQA method has potential value for healthy aging research in that: ( a) it could provide evidence in combinatorial forms useful to holistic practice; ( b) it could enrich the evidence for practice by providing more rigorous information from small- N groups, within RCTs and where RCTs cannot be used; and ( c) it could add to the ability of RCTs to generate theoretical advances. [ABSTRACT FROM AUTHOR]

Technologies purported to extend human life are already being marketed widely, and are being used by community members, despite a lack of evidence on their efficacy or safety: in fact, the use of some putative anti-aging technologies (e.g., human growth hormone) is illegal. Existing regulation is proving to be ineffective, especially in the face of Internet sales. Further advances in the field of life extension are a distinct possibility, exacerbating the need for a policy response. This paper presents the preliminary results of a study of community attitudes to life extension, with a focus on attitudes to the control and availability of strong life-extending technologies. [ABSTRACT FROM AUTHOR]

One of the challenges facing health and welfare policymakers as well as researchers in most developed countries is the increasing demand for aging services and aged care. Low birth rates and rapid increases in the percentages of elderly people make aging and aged care one of the top-priority issues among the national agenda of many countries. The responses of governments have included initiatives to extend productive working lives and promote self-funded retirement; to promote healthy, active aging; and to encourage more care to be delivered in home and community settings. Technology will be a major enabler of these strategies. People requiring health services are increasingly being offered more care in their own homes and community settings as an alternative to hospital admission and to delay or avoid moving into institutional care. Research is providing intelligent technology to enable care in the home as well as to monitor safety, security, and quality. Innovation will provide greater independence and better access to care in their own homes for the elderly, sufferers of chronic illness, and persons with disability and reduce the incidence of hospital admissions and the length of stay when admissions do occur. Technologies will support families and professional caregivers and are expected to reduce costs. This paper reports on developments in technology to support care for the aged in home and community settings. [ABSTRACT FROM AUTHOR]

Evidence-based practice (EBP) has been heralded as the most appropriate way of ensuring that patients receive the most effective care possible. It does, however, have several limitations. It is also not enough just to locate and evaluate the evidence without implementing it. This paper discusses EBP and its limitations and potential barriers; it also suggests strategies for changing current practices to more evidence-based ones according to an accurate understanding of the concept of EBP. [ABSTRACT FROM AUTHOR]

Information about several papers discussed at "Third International Conference on Healthy Ageing and Longevity" is presented. Topics include medical care and assistance of the aging and elderly population and medical policies and programs for such society. People behind the success of the event include professor S. Jay Olshansky of the University of Illinois and professor Suresh Rattan of the University of Aarhus.