资源描述：
《2019年秋七年级英语上册Unit6Foodandlifestyle单元话题阅读素材（新版）牛津版》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、Unit6FoodandlifestyleFoodandHealth食品与健康TofuisasgoodasmedicineforlowingcholesterolResearchpublishedinthefourthweekofJuly2003foundthatthegroupofpeople,whoatehigh-fiber,high-soyfoodhadloweredLDL(thebadcholesterol)by28.6%,comparingthecontractgroup.Theeffectoftakenhigh-fiber,hig
2、h-soyisalmosthavethesameeffectastakethestatinMevacor,whichis30.9%.AndpeoplewhoonlytakelowfatfoodonlyhadloweredLDLby8%comparingwithnormalgroup.FishandHealthSeafoodtakeaprimeroleinchinesefeast.Chineseisgoodatcookingfish,canmakeitverydeliciousandcontainlesscookingoil.Forfishto
3、maintainfluidityincoldwatersuchasAlaska,theirfatshavetoremainliquid.Fishoilrichinomega-3fattyacids.Thetwoomega-3'sinfishareeicosapentaenoicacid(EPA)anddocosahexaenoicacids(DHA).EPAandDHAareessentialforhumanhealth,DHAit'scriticaltodevelopmentofthebrainandretinaforinfant,theh
4、umanbreastmilkcontainit.EPAandDHAareverybenefittheheartandbloodvessels.Inonestudypeopleeatfourtimesofatleastthreeouncesalmonamonthreduced50percentriskofcardiacarrest.StudyshowEPAandDHAcaninhibitthesynthesisofsubstancesthatresultinflammationandbloodclots,stabilizetheelectric
5、alactivityoftheheart.Lowerbloodpressure,triglyceridelevelsandimprovethefunctioningofarterylinings.Althoughhumancanconvertalpha-linolenicacid(ALA)toEPAandDHA,theconversionrateissolow,youneedeatalotoffoodcontainALA,that'smakeitimpractical.Eatingfishisagoodwaytoreachhealth.Ast
6、heworldgetmorepollution,thefishalsomaybecomedangeroustoyourhealth.mercuryisacommontoxin,becautious,especiallytopregnantwomen,tosomedeepseafishwhicheatotherfishandresultaccumulatemoremercuryintheirbody.Suchastilefish,swordfish,shark,kingmackerel.Alsoavoidfishcomesfromsomeloc
7、ationorareawhichareheavenlypolluted.GreenTeaGreenTeaisfavorityandtraditionaldrinkofChineseforthousandyears.Recentstudieshaveshownthatepigallocatechingallate(EGCG)anantioxidantfoundingreentea,isatleast100moretimesmoreeffectivethanvitaminCand25timesmoreeffectivethanvitaminEat
8、protectingcellsandDNAfromdamagebelievedtobelinkedtocancer,heartdiseaseandotherseri
