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  【阅读理解Youngeradultswhogeteitherlittlesleeporalotofitmayseeagreaterexpansionintheirwaistlines(腰围)overtimeastudypublishedsuggests.Researchersfoundthatamongblac】

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  Youngeradultswhogeteitherlittlesleeporalotofitmayseeagreaterexpansionintheirwaistlines(腰围)overtimeastudypublishedsuggests.ResearchersfoundthatamongblackandHispanicadultsyoungerthan40thosewhotypicallysleptforfivehoursorlesseachnighthadagreateraccumulationofbellyfatoverthenextfiveyearsversus(相比于)thosewhoaveragedsixorsevenhours.Thosewhoslepteighthoursormoreinbedeachnightalsoshowedabiggerfatgain-butitwaslessobviousthanthatseenin“shortsleepers.”

  ThestudyreportedintheJournalSleepdoesnotprovethattoolittleortoomuchsleepdirectlyleadstoexcessfatgain.Butthefindingssupportandextendthoseofotherstudieslinkingsleepduration-particularlyalackofsleep-toweightgainandeventohigherrisksofdiabetes(糖尿病)andheartdisease.Amongparticipantsyoungerthan40thestudyfoundthosewhosaidtheysleptforfivehoursorlesseachnightgainedmorebellyfatthanthosewhoaveragedsixorsevenhoursofsleep.Onaverageshortsleepersshoweda32percentgaininvisceral(内脏的)fatversusa13percentgainamongthosewhosleptsixorsevenhourspernightanda22percentincreaseamongmenandwomenwhogotatleasteighthoursofsleepeachnight.Asimilarpatternwasseenwithsuperficialabdominal(腹部)fat.

  ThefindingsaccordingtoleadresearcherDr.KristenG.Hairstonsupportthebeliefthatsleephabitsaffectweightandhealthingeneral.“Sleepisanimportantpartofyouroverallhealth-notjustinwhetheryou'retiredduringtheday”shesaid.

  Theremaybeindirecteffects;peoplewhogettoolittlesleepmaybetootiredduringthedaytoexercisewhilethosewhospendalotoftimeinbedmayspendlesstimebeingactiverelativetopeoplewhosleepfewerhours.Researchalsosuggeststhatsleeplossalterspeople'slevelsofappetite-regulatinghormones(荷尔蒙)-whichcouldintheorycausethemtoovereat.Depressionwhichoftenaffectspeople'ssleepandhasbeenlinkedtoweightgaincouldalsobeafactorHairstonnoted.

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2020-05-24 14:40
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  答案:1.A;2.B;3.B;4.C;5.A;

2020-05-24 14:45:01

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