Axokine / leptin / obesity / weight control / ghrelin / peripheral hormone peptide YY (PYY 3-36) / PGC-1beta / oleylethanolamide (OEA) / Xenical (orlistat) / Meridia® (sibutramine) / Topamax® (topiramate) / Wellbutrin®/Zyban® (bupropion) / Glucophage (metformin) / Acomplia (rimonabant)