- 问题详情: Gettingolderisanaturalpartoflife.Changesasyougetolderareusuallygradual.Certainphysicalchangesarecommon.Howfastyourbodycanburncaloriesslowsovertime,whichmeansthatyourbodyneedslessfoodenergythanbefore.Howmuchandhowwellyousleepwilllikelych...
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