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1、环境和健康饮食的重要性TheLookYoungerDietIstheFountainofYouthamyth?Notentirely,manyexpertsinnutritionnowbelieve,"Agefast,orageslow—it'suptoyou."declaresDr.KennethCooper,presidentandfounderoftheAerobicsCenterinDallas.JeffreyBlumberg,associatedirectoroftheU.S.DepartmentofAg
2、riculture'sHumanNutritionResearchCenteronAgingatTuftsUniversityinBoston,agrees,"Researchshowsthatmanyso-calledage-relateddeclinesinphysiologicalfunctionseemtohavelesstodowithagingthanwithenvironmentalfactorslikedietandexercise."Obesity(过度肥胖)isoneoftheleadingca
3、usesofacceleratedaging,accordingtoCooper,"Ifyouloseweight,stopsmoking,andexercise,"hesays,"youcanslowtheagingprocess—andmakedramaticchangesinyourlooksinarelativelyshortperiodoftime."A37-year-oldsalesdirectorforaBostoncomputer-distributioncompanyisaprimeexample
4、.Oversixfeettall,hehadbeenconsiderablyoverweightmostofhislike.Thenhebegantoworrythathisappearancecouldbehurtinghiscareer."IgottiredofpeoplethinkingIwasthesameageasmybrother,who'snearlynineyearsolder,"hesays,"Whenyou'refat,peopleinthebusinessworldassumeyou'reou
5、tofcontrol."Determinedtochange,thesalesdirectorenteredahospital-baseddietprogramanddroppedover70pounds."Ifeel—andlook—tenyearsyounger."hesays.At82,ClariceR.McWilliams,aretiredbusinessownerinDallas,hastheappearance,skintone(肤色)andmentalagilityofsomeonemanyyears
6、younger."MostpeoplethinkI'minmy60s."sheboasts.McWilliamsadmitsgenesplaysomeroleinthewayshelooks,butbelievesdietisanimportantfactor."Itdoesn'tmatterhowgoodthegenesareifyoudon'teatproperlyandtakecareofyourself,"shesays."Ifyouwanttolookgood,getplentyofrest,exerci
7、seeveryday,eatmostlyrawfruitsandvegetables—andquitworrying."SaysBlumberg,"There'scertainlyalinkbetweengoodnutrition,apositive•30•attitudeandimprovedqualityoflife.Peoplecanhaveasayinwhat'sgoingonwiththeirbodiesbyselectingahealthfuldiet."Skin.Nowheredothesignsof
8、agingmanifestthemselvesmoreclearlythanintheconditionoftheskin.Whenyourweightfluctuates,theskinstretcheswitheachupcycle,butitmaynotcompletelyshrinkbacktoitsoriginalsizeinthedowncycl
