TRPV1 activation by dietary capsaicin improves high-fat diet-induced obesity. A and B. Body weight gain and food intake of WT A and TRPV1−/−
B mice fed with ND, HD and HC. The values are expressed as the mean ± SEM for 15 mice. *P < 0.05, **P < 0.01 vs. ND, ##P < 0.01 vs. HD.