Objective: To extend findings from experimental price elasticity studies by examining these effects in a field setting and identifying gender differences in purchasing behaviour in response to variations in the cost of lower energy-dense (ED) and higher ED foods. Setting: Data were collected from low- and median-income male and female grocery…

The physiological responses and adaptations which occur as a result of resistance training, such as cardiovascular responses, serum lipid count, body composition, and neural adaptations are discussed. Changes in the endocrine system are also described. (JL)

Clinical investigations have established that an aggressive approach to lowering cholesterol levels in coronary heart disease patients is warranted. This article describes optimal goals and discusses the role of diet, exercise, and medication in plasma lipids management. (IAH)

Examines whether physical fitness levels in U.S. children and youth have changed over time. Research indicates that weight and skinfolds have increased over 50 years and distance run times have worsened over 10 years. The article includes information on relationships between cardiovascular fitness and coronary heart disease risks in children. (SM)

The presence of older Olympians suggests aging itself may not be the primary obstacle to long-term athletic performance. For older athletes, scheduling sufficient training and recovery time becomes increasingly difficult, but physical and financial rewards entice them to try. No studies have directly addressed the true potential of aging athletes.…

Historically, the approach to physical activity for people with disabilities has been couched in medical rationale and focused on rehabilitation. This does not account for physical activity for the joy of it as in play, exercise to improve or maintain fitness, or activity required in employment. The new paradigm of healthy, active lifestyles for…