资源描述：
《考博医学英语范文》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、药物滥用Over-utilizationofPharmaceuticalsIntheareaofantibioticsalone,themostprominentproblemhasbeentheover-utilizationofdrugs.TheCenterforDiseaseControl,forinstance,estimatesthat1/3oftheantibioticstakenonanoutpatientbasisintheUnitedStatesareunnecessary.Increasinguseofantibioticsislinked
2、totheincreaseoftheirresistancebybacteria;intheUnitedStates,14,000peopledieeachyearfromdrug-resistantinfectionspickedupinhospitals.Intermsofhealthcarecosts,therisinguseofpharmaceuticalshasprofoundconsequences.From1993to1998,forinstance,annualdrugexpendituresintheU.S.nearlydoubledfrom
3、$50.6billionto$93.4billion,mostoftheexpensesbeingbornebythird-partypayors.Totalspendingonprescriptiondrugsdoubledfrom1995to2000andtripledfrom1990to2000,constitutingoneofthemainfactorsdrivinguphealthcareexpendituresoverall.EatlesstolivelongerIftherewereadrugthathelpedonelivealonglife
4、,almosteverybodywouldbuyit.Indeedthereissuchadrug.Itismoderateeating.Somescientistshaveprovedthisbyexperimentson200monkeysoneatingless.Howeverwhyisitso?Hereisadiscussion.First,itrelievesthegastricsystemofburdensoftoomuchproteinandfat.Theburdenmayresidesinintestinesandgiveswaytotoxin
5、and**substances.ThesubstancesharmtheCNSandaccelerateaging.Second,itpreventsbrainmetabolicdisordercausedbysatiety.Satietymultipliessomecellsthatinduce~andshortensupplyofoxygen,andbloodtothecortex,whichinturnshortenone’slifetime.Third,Satietydamagescells,whichacceleratesagingprocess.T
6、hisiscausedbytoomanyfreeradicalsthatdamage,cause**etcandquickenaging.Fourth,longtermsatietyresultsinobesity,diabetes,**etc.Actually,thereweresometheoriesandtherapiesonmoderateeating,whichshouldbeadvocatedtoday.Toconclude,forourhealthandlongevity,pleaseeatless.1.ReductionofStudents’S
7、tudyLoadFacinghugeamountofhomework,frequentexamsandambitiousexpectationsoftheirparents,Chineseprimaryandmiddleschoolstudentsnowgrowupunderheavypressures.Thishastimeandagaintriggered(触发)thenationwidediscussiononwhetherornotweshouldreducethestudents’studyload.Somepeoplestronglyadvocat
8、ethatweshouldreduce
