Researchershaveannouncedtheresultoftwostudiesonthehealtheffectsofthedrugaspirin．Onestudyshowsaspirincansharplyreducethechancethatahealthyoldermanwillsufferfromaheartattack．
ThestudyofferedtwonewresultsfromearlierfindingsItsaidtakingoneaspirinpilieveryotherdayhelpedonlyhealthymenovertheageoffifty．Italsosaidaspiringavethegreatestprotectionagainstheartattackstomenwithlowbloodcholesterol（胆固醇）levels．
EarlierintheUnitedStatesbeganamajoraspirinstudyintheearly1980s．Itincluded22000healthymendoctors．Ailwerebetweentheagesoffortyandeighty-four．Morethan11000ofthedoctorstookaharmlesspillthatcontainednodrug．Themendidnotknowwhichkindofpilltheyweretaking．
Thedoctorswhotookaspirinsuffered44%fewerheartattacksthanthosetakingtheharmlesspill．139menwhotookaspirinsufferedfromheartattacks．Tenofthemdied．239menwhodidnottakeaspirinsufferedfromheartattacks．Twenty-sixofthemdied．
Theresearcherssaidthedoctors'studyprovidesclearproofthattakingaspirincanpreventafirstheartattackinhealthyoldermen．Theysaidhowevertheresultdoesnotmeaneverymanoverthemageoffiftyshouldtakeaspirin．Theysaidaspirincouldn'thelpmenwhodonoteathealthyfoodswhosmokecigarettesandwhoarefat．Theresearcherssaidmenwhothinktheywou3dbehelpedbytakingaspirinshouldtalkwiththeirdoctorsfirst．
小题1:Wemaylearnthatthenewuseofaspirinis______．
