(对照组).Obviously,theartsgroupsreportedthirtyfewerdoctors'visit,fewereyesightproblems,lessdepression,andlessneedformedication.(__2__),directoroftheCenteronAgingatGeorgeWashingtonUniversity,wassurprisedathowbiganeffecttheseniors'artsparticipationhadontheirhealth.Cobensaid,“,ifaneffectweretobeachieved,onewould...