Change in body weight and leptin after chronic dietary switches.

Control = standard dietary chow maintained, Control-HF = standard dietary chow switch to high-fat diet, Control-CR = standard dietary chow switch to caloric restriction; HF-Control = high-fat diet switch to standard dietary chow, HF = high-fat diet maintained, HF-CR = high-fat diet switch to caloric restriction; data presented as P value (post-hoc ANOVA).