▁people ▁of ▁larger ▁sizes ▁without ▁regard ▁to ▁their ▁participation ▁in ▁any ▁treatment ▁specific ▁to ▁weight ▁loss , ▁such ▁as ▁medical ▁supply ▁catalog s ▁featuring ▁larger ▁hospital ▁g own s ▁and ▁hospital ▁b eds ▁referred ▁to ▁as ▁" b ariat ric ." ▁ ▁B ariat ric ▁patients ▁▁ ▁Over weight ▁and ▁ob es ity ▁are ▁rising ▁medical ▁problems . ▁There ▁are ▁many ▁det r iment al ▁health ▁effects ▁of ▁ob es ity : ▁Ind ividual s ▁with ▁a ▁B MI ▁( Body ▁Mass ▁Index ) ▁exceed ing ▁a ▁health y ▁range ▁have ▁a ▁much ▁greater ▁risk ▁of ▁medical ▁issues . ▁These ▁include ▁heart ▁disease , ▁di ab etes ▁m ell it us , ▁many ▁types ▁of ▁cancer , ▁ast h ma , ▁ob struct ive ▁sleep ▁ap nea , ▁and ▁chron ic ▁mus cul os ke let al ▁problems . ▁There ▁is ▁also ▁a ▁focus ▁on ▁the ▁correlation ▁between ▁ob es ity ▁and ▁mort ality . ▁ ▁Over weight ▁and ▁ob ese ▁people , ▁including ▁children , ▁may ▁find ▁it ▁difficult ▁to ▁lose ▁weight ▁on ▁their ▁own . ▁It ▁is ▁common ▁for ▁di eters ▁to ▁have ▁tried ▁f ad ▁di ets ▁only ▁to ▁find ▁that ▁they ▁gain ▁weight , ▁or ▁return ▁to ▁their ▁original ▁weight , ▁after ▁ce asing ▁the ▁di et . ▁Some ▁improvement ▁in ▁patient ▁psych ological ▁health ▁is ▁noted ▁after ▁b ariat ric ▁surg ery . ▁ ▁Method s ▁of ▁treatment ▁▁ ▁Although ▁di et , ▁exercise , ▁behavior ▁ther apy ▁and ▁anti - ob es ity ▁dru gs ▁are ▁first