Health at any size: the size-acceptance nondiet movement.

A controversial new approach to obesity treatment has emerged during the last two decades in response to traditional programs that do not result in sustained reductions in weight. Goals of the size-acceptance nondiet movement include improving self-image, normalizing eating behavior, and increasing physical activity independent of body weight. This commentary presents the basic tenets and early voices in the movement, reviews government weight recommendations, and suggests strategies for the size-sensitive physician.