《北京地区成人本科学士学位英语统一考试2019年11月真题及答案三级》

ices.Theyevaluateddataon2,233womenfromCalifornia.Ofthose,405werenotmothers,1,125weremotherswhobreastfedforatleastamonth,and703weremotherswhohadneverbreastfed.Theywere40to78yearsold.AccordingtoSchwarz'sstudy,theriskofgettingadiagnosis(诊断)ofType2diabetesforwomenwhobreastfedalltheirchildrenforamonthorlongerwassimilartothatofwomenwhohadnotgivenbirth.Butmotherswhohadneverbreastfedwerenearlytwiceaslikelytodevelopdiabetesaswomenwhohadnevergivenbirth.Motherswhoneverbreastfedwereabout1.othreemonths,Schwarzfound.Whileonemonthofbreastfeedingappearstomakeadifference,Schwarzsays,evenlongerisbetter.(80)“Previousstudieshaveshownthelongerthemombreastfeeds,themorebenefitforherbody.”mendbreastfeedingforsixmonthsandcontinuingforayear,shesays.Thediabetes-breastfeedinglinkisprobablyexplainedbybellyfat.Mothers,