资源描述:
《easy diets work best》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、EasyDietsWorkBestRoxanneKhamsiEvidenceconfirmsthatmaintainingaregimeismoreimportantthanitsdetails.Ifyouwanttoloseweight,stopworryingaboutwhichdietismosteffectiveandsimplypickwhateverprogrammeyoufindeasiesttofollow.That'stheadvicefromnutritionexpertsinth
2、eUnitedStates,whohavefoundthatdietingsuccessseemstodependonhowcloselypeoplesticktoadiet,ratherthanwhichonetheychoose.Physiciansaroundtheworldhavesoundedalarmbellsabouttheincreasingnumberofpeoplewhofaceproblemsduetounhealthyeating.Globally,thereareover1b
3、illionoverweightadults,accordingtotheWorldHealthOrganization.Atthesametime,therangeofdietingoptionshasalsogrown.AdvertisementsandbookspromoteplanssuchastheZonediet,whichaimsfora40:30:30ratioofcaloriesfromcarbohydrate,fatandprotein,respectively.Recentstu
4、dieshavealsodrawnattentiontothecontroversialAtkinsdiet,whichminimizescarbohydrateintakewithoutrestrictingfat.Buttherelativeeffectivenessofthesedietplansandothersremainspoorlyunderstood.Areviewarticlepublishedthisweek,forexample,warnsthatmanycommercialan
5、dself-helpweightlossprogrammesdonothavesatisfactoryevidencetosupporttheirclaims.WeighingthebenefitsTotesthowfourpopulardietscompare,MichaelDansingeroftheTufts-NewEnglandMedicalCenterinBostonandhiscolleaguesrandomlyassigned160overweightadultstooneofthefo
6、urprogrammes.TheseincludedtheAtkinsandZoneplans,alongwiththeWeightWatchersdiet,whichrecommendsrestrictionofportionsizeandcalories,andtheOrnishdiet,whichsuggestsavegetariandietcontainingonly10%ofcaloriesfromfat.Atthestartofthestudy,themenandwomenaveraged
7、106kilogramsand93kilograms,respectively.Theparticipantsattendedclassestohelpthemgetstartedontheirdietplan,andtheresearcherscheckedontheirprogresswithquestionnairesandmonthlycalls.Afterayear,Dansingerandhiscolleaguesfoundthatineachdietgroupaboutaquartero
8、fthevolunteershadlostmorethan5%oftheirinitialbodyweight.Buttheysawnodifferencebetweenthefourgroups.StickingpointTheresearchersdidseeabigdifference,however,betweenthosewhostucktotheirdiets,andthosewhodidnot.Thethirdofparticipantsw