1997b-657 2003m-400 adolescentbehavior bodyimage conformity congresses control culture diet druguse economics hippies hm291m896s1976 india influence(psychology) informal obesity order(philosophy) philosophy plastic prevention psychologicalaspects psychology reducing self-helpgroups sexualbehavior socialaspects socialbehavior socialchange socialconflict socialcontrol socialinfluence sociallifeandcustoms surgery transientsandmigrants unitedstates violence w3re443529th1983o wd210f841l1997 weightloss weightlosspreparationsindustry wo600b658f2003 ws462k17h1981 youth