title: Effects on weight reduction of strong monetary contracts for calorie restriction or weight loss.
mesh_terms: D000328:Adult; D000368:Aged; D001521:Behavior Therapy / Q000379:methods*; D001835:Body Weight; D004032:Diet; D002149:Energy Intake; D006801:Humans; D008875:Middle Aged; D009042:Motivation; D009765:Obesity / Q000628:therapy*