less salt can mean more life 低盐饮食,长命人生

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1、LessSaltCanMeanMoreLife低盐饮食，长命人生ThisistheVOASpecialEnglishHealthReport.Evenasmallreductioninsaltinthedietcanbeabighelptotheheart.AnewstudyusedacomputermodeltopredicthowjustthreegramslessadaywouldaffectheartdiseaseintheUnitedStates.   Theresult:thirteenpercentfewerheartattacks.Eightperc

2、entfewerstrokes.Fourpercentfewerdeaths.Elevenpercentfewernewcasesofheartdisease.Andtwohundredfortybilliondollarsinhealthcaresavings.  Researchersfounditcouldpreventonehundredthousandheartattacksandninety-twothousanddeathseveryyear. ThestudyisintheNewEnglandJournalofMedicine.KirstenBibb

3、ins-DomingoattheUniversityofCaliforniaSanFrancisco,wastheleadauthor.Shesayspeoplewouldnotevennoticeadifferenceintastewiththreegrams,orone-halfteaspoon,lesssaltperday.TheteamalsoincludedresearchersatStanfordandColumbiaUniversity. Eachgramofsaltcontainsfourhundredmilligramsofsodium,which

4、ishowfoodsmaylisttheirsaltcontent. ThegovernmentsaystheaverageAmericanmaneatstengramsofsaltaday.TheAmericanHeartAssociationadvisesnomorethanthreegramsforhealthypeople.ItsayssaltintheAmericandiethasincreasedfiftypercentsincethenineteenseventies,whilebloodpressureshavealsorisen.Lesssaltc

5、anmeanalowerbloodpressure. NewYorkCityMayorMichaelBloombergisleadinganeffortcalledtheNationalSaltReductionInitiative.Theideaistoputpressureonfoodcompaniesandrestaurants.Criticscallitgovernmentinterference. MayorBloomberghasalreadysucceededinotherareas,likerequiringfastfoodplacesintheci

6、tytolistcalorieinformation.NowastudybytheSeattleChildren'sResearchInstituteshowshowthatideacaninfluencewhatparentsorderfortheirchildren. Ninety-nineparentsofthreetosixyearoldstookpart.HalfhadMcDonald'smenusclearlyshowinghowmanycalorieswereineachfood.Theotherhalfgotmenuswithoutthecalori

7、einformation.Parentsgiventhecountschoseanaverageofonehundredtwofewercalorieswhenaskedwhattheywouldorderfortheirchildren.Yettherewasnodifferenceincaloriesbetweenthetwogroupsforfoodsthattheparentswouldhavechosenforthemselves. StudyleaderPoojaTandonsaysevensmallcaloriereductionsonaregul