Effect of exercise alone or together with Acipimox administration on plasma NPY, GH and FFA levels. $P < 0.05 vs. control subjects (C), p.o., per os. **P < 0.01, ***P < 0.001, ****P < 0.0001 vs. resting (baseline) values. +P < 0.05 exercise together with Aci administration vs. exercise alone, 45 minutes. #P < 0.05 post-exercise recovering phase together with Aci administration vs. post-exercise recovering phase alone, 90 minutes. Effect of 45-min exercise (2 W/kg of lean body mass [LBM]) alone or together with Acipimox (Aci) administration on plasma neuropeptide Y (NPY), growth hormone (GH) and free fatty acids (FFA) levels (means ± S.E.M.) in the controls (C) (n = 8) and bulimia nervosa (BN) patients (n = 8).