The prevalence of obesity and its associated health problems have increased sharply in the past 2 decades. New revisions to Medicare policy will allow funding for obesity treatments of proven efficacy. The authors review studies of the long-term outcomes of calorie-restricting diets to assess whether dieting is an effective treatment for obesity.…

To curb the epidemic of obesity in the United States, revised Medicare policy allows support for efficacious obesity treatments. This review summarizes the evidence from rigorous randomized trials (9 lifestyle trials, 5 drug trials, and 2 surgical trials) on the efficacy and risk-benefit profile of lifestyle, drug, and surgical interventions aimed…

Metaphors can both inspire and mislead the public. Current metaphors for youth violence are inconsistent with scientific evidence about how chronic violence develops and evoke inaccurate or harmful reactions. Popular, problematic metaphors include "superpredator", "quarantining the contagious", "corrective surgery", "man as computer", "vaccine",…

Uses a review-of-reviews approach across four areas (substance abuse, risky sexual behavior, school failure, and juvenile delinquency and violence) to identify characteristics consistently associated with effective prevention programs. Programs were comprehensive, included varied teaching methods, provided sufficient dosage, were theory driven,…

Discusses social influence and social cognition's effect on health and social well-being, and examines the efficacy of public health campaigns, the effects of negative stereotyping, and why some teenagers resist drug use and others do not as part of the social problems addressed by behavioral science research. Future directions for research on…

Reviews literature on worksite fitness and health promotion programs. Examines their impact on employees and the sponsoring organization. Discusses beneficial effects such as increased fitness, and reduction in health care costs, risk factors of heart disease, absenteeism, and turnover. Addresses issues related to participation rates, program…

Offers a social ecological analysis of health promotive environments, emphasizing the transactions between individual or collective behavior and the health resources and constraints that exist in specific environmental settings. Directions for future research on the creation and maintenance of health promotive environments also are examined. (JB)