The influence of dietary fiber on energy regulation remains controversial. This review summarizes
published studies on the effects of dietary fiber on hunger, satiety, energy intake, and …

Objective. To assess prospectively the influence of peers, parents, and the media on the
development of weight concerns and frequent dieting. Design. Prospective cohort study. Setting. …

The relative importance of different dietary causes of obesity remains controversial. This
review examines whether consumption of high-glycemic index (GI) carbohydrates may be a …

Total daily energy expenditure (“total expenditure”) reflects daily energy needs and is a
critical variable in human health and physiology, but its trajectory over the life course is poorly …

Objective Severe obesity (ie, at least 100% overweight or body mass index> or= to40 kg/m 2)
is associated with significant morbidity and increased mortality. It is apparently becoming …

Background Although disuse of skeletal muscle and undernutrition are often cited as
potentially reversible causes of frailty in elderly people, the efficacy of interventions targeted …

Objective. —To determine if short-term exercise reduces falls and fall-related injuries in the
elderly. Design. —A preplanned meta-analysis of the seven Frailty and Injuries: Cooperative …

Objective. The prevalence of obesity has increased dramatically in recent years. However,
the role of dietary composition in body weight regulation remains unclear. The purpose of this …

PROCESSES that control carbon uptake by marine phytoplankton are important in the global
carbon cycle1 1–3 . Uptake of CO 2 itself may be limited by diffusion 4 . Bicarbonate uptake …

… We thank Celia de Nascimento and Paula A Martins for their assistance with recruitment
and data collection and Robert Russell for his expert advice. We also thank the isotope ratio …