Lifeexpectancyisrisinginmuchoftheworld.Butdoctorsareseeinganothertrendthatisdisturbing.Somepeoplearechoosinglifestylesthatcontributetoearlydeath.Itusedtoberareforpeopletoliveto100.Butbabiesborncanhopetolivethatlong.
Inthe20thcenturylifeexpectancyinwealthynationsincreasedbyasmuchas30years.AveragelifeexpectancyforAmericansis78.
Butdoctorsareseeingpeopleadoptbadhabitsthatcancuttheirlivesshortlikeeatingtoomuchoreatingtoomuchjunkfoodexercisingtoolittleandsmokingcigarettes.Thesehabitsincreasetheriskforcancerdiabetes(糖尿病)heartdiseaseandstroke(中风).
Researcherswantedtofindouthowmanyyearsarelostwiththeselifestylechoices.“Whatwefoundwasthathighbloodpressure;smokingoverweight/obesityandhighbloodglucose(血糖)accountforfiveyearsoflossoflifeexpectancyinmenandaboutfouryearsinwomenatthenationallevel,”GoodarzDanaeisaid.
Theresearchersbrokedownthedataintoraceincomeandlocaleandtheyfoundevengreaterdifferences.Middleincomewhiteshavethebestbloodpressure.ButAsianAmericanshavefewerbadhabitsandthebesthealth.
Theresearchersfounda14yeardifferenceinlifeexpectancybetweenAsianAmericanandAfricanAmericanmenwhocanexpecttoliveanaverageof67years."AfricanAmericanmeninthesouthhavethelowestlifeexpectancyalongwithAfricanAmericanmenlivinginhighriskurbanareasplaceslikedowntownLosAngeles,”Danaeiexplained.
AfricanAmericanwomenareanothergroupwithlowlifeexpectancybecauseoftheirhighratesofobesity.Peoplebattlingexcessweighthavehigherratesofdisabilitydiabetesandheartdisease—disordersthatmakethemsickeratyoungeragesanddependentonmedicationsformanyyears.
33.Howmanybadlifestylesarementionedinthepassage?
A. 1. B. 2.C. 3. D. 4.
34.Whydoesthewritersaybabiesborncanhopetoliveto100?
A.Becausenewlybornbabieshaven'tcreatetheirlifestyles.
B. Becausenewlybornbabiesarebetterinhealth.
C. Becausenewlybornbabiesliveinawealthycountry.
D. Becausenewly&
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