The more motion, the longer the life
populationsinwesterncountiesareaging.butthistrendisalsoemergingindevelopingcountriessuchaschina.keepingpeoplehealthyastheyageaffectsnotonlyacountry'shealthservicesbutalsoitssocietyandeconomy.
forthisstudy,researcherstrackedpeoplesuchasnaomiglasswhostillcleansherhomeanddoesvolunteerwork.'ihaveneverhadadaywhereihavetothinkabouthowi'mgoingtofillit.it'salwaysfilledwithsomethingorother.'accordingtothestudy,themoremotion,thelongerthelife.thestudyappearsinthejournaloftheamericanmedicalassociation.researchersfromanumberofinstitutionstrackedabout300olderadultsbetweentheagesof70and82forseveralyears.theresearchwascoordinatedbythenationalinstituteonagingundertoddmanini.'anytimeweuseenergy,it'sreleasedfromthebodyascarbondioxide,'hesays.researchersmeasuredtheamountofcarbondioxideintheparticipants'urine.theparticipantsdrankspecialwatersotheamountofcarbondioxidewouldbeevident.dailychoresandexercise,suchasclimbingstairs,isbeneficial
theresearcherswantedtofindouthowmuchenergywasusedindailyexercise,suchasclimbingthestairs.'wefoundthatoveraneight-yearperiod,thatolderadultsinthelow-activitygrouphadthreetimesgreaterriskofdeathwhencomparedtoolderadultsinthehigh-activitygroup,'saidmanini.naomiglassispleasedwiththenews.'ithinkit'sencouragingtopeopletoknowthattheycanmaintaintheirhealthormaybeimproveitbyjustdoingordinaryactivities.'thisstudydidnotlookatthereasonwhyhigheractivityisassociatedwithlowerriskofdeath.butmaninisaysactivitymostlikelycombatsheartdiseaseandcancer.hesaysforolderadults,anymovementisbetterthannone,andusualdailyactivitiescanprovideolderadultswithenoughexercise.
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