专业术语—低脂食物并不能减少健康风险1.docx
专业术语一低脂食物并不能减少健康风险1Low-FatDietDoesNotCutHealthRisks,StudyFindsByGINAKOLTThelargeststudyevertoaskwhetheralow-fatdietreducestheriskofgettingcancerorheartdiseasehasfoundthatthediethasnoeffect.Thelargeststudyevertoaskwhetheralow-fatdietreducestheriskofgettingcancerorheartdiseasehasfoundthatthediethasnoeffect.The$415millionfederalstudyinvolvednearly49,OOOwomenages50to79whowerefollowedforeightyears.Intheend,thoseassignedtoalow-fatdiethadthesameratesofbreastcancer,ColonemeritusinvestigatorsjustifysaturatedSandtransfats,moregrains,andmorefruitsandvegetables.Noteveryonewasconvinced.Some,likeDr.DeanOrnish,alongtimepromoteroflow-fatdietsandpresidentofthePreventiveMedicineResearchInstituteinSausalito,Calif.,saidthatthewomendidnotreducetheirfattolowenoughlevelsoreatenoughfruitsandvegetables,andthatthestudy,evenateightyears,didnotgivethedietsenoughtime.