The specific aim is to improve the psychological and metabolic health of obese women with a history of chronic dieting through encouraging "Health at Every Size" (HAES). This treatment model emphasizes "intutitive eating," i.e., internal regulation of eating (responding to cues of hunger, appetite and satiety). The HAES model is being compared to the current standard of care in obesity treatment, energy restriction dieting, which encourages cognitive control of eating and weight reduction.