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stuDy ConFirms thAt moDErAtE Drinking rEDuCEs strokE risk. similAr to thE wAy A Drink or two A DAy protECts AgAinst hEArt AttACks, moDErAtE AlCohol Consumption wArDs oFF strokEs, A nEw stuDy FounD、
thE stuDy Also FounD thAt thE typE oF AlCohol ConsumED—BEEr, winE or liquor—wAs unimportAnt.Any oF thEm, or A ComBinAtion wAs protECtivE, rEsEArChErs rEportED in toDAy’s journAl oF thEAmEriCAn mEDiCAlAssoCiAtion. "no stuDy hAs shown BEnEFit in rECommEnDing AlCohol to thosE who Do not Drink’, CAutionED thE Authors, lED ByDr. rAlph l. sACCo oFColumBiA univErsityCollEgE oF physiCiAns AnD surgEons in nEw york.But thE nEw DAtA support thE guiDElinEs oF thE nAtionAl strokEAssoCiAtion, whiCh sAy moDErAtE DrinkErs mAy protECt thEmsElvEs From strokEs By Continuing to ConsumE AlCohol, thE Authors sAiD、
thE protECtivE EFFECt oF moDErAtE Drinking AgAinst hEArt AttACks is wEll EstABlishED, But thE DAtA hAD BEEn ConFliCting ABout AlCohol AnD strokEs, thE Authors sAiD、thE nEw stuDy hElps sEttlE thE quEstion AnD is thE First to FinD BlACks AnD hispAniCs BEnEFit As wEll As whitEs, ACCorDing to thE Authors. FurthEr rEsEArCh is nEEDED Among othEr groups, suCh AsAsiAn, whom pAst stuDy suggEstED mAy gEt no strokE protECtion From AlCohol or mAy EvEn BE put At grEAtEr risk.
Among thE groups whErE thE protECtivE EFFECt Exists, its mEChAnism AppEArs to DiFFEr From thE protECtivE EFFECt AgAinst hEArt AttACks, whiCh oCCurs through Boosts in lEvEls oF so-CAllED "gooD’ CholEstErol, thE Authors sAiD、thEy spECulAtED AlCohol might protECt AgAinst strokE By ACting on somE othEr BlooD trAit, suCh As thE tEnDEnCy oF BlooD plAtElEts to Clump, whiCh is kEy in Forming thE BlooD Clots thAt CAn CAusE strokEs^①.
thE rEsEArChErs stuDiED 677 nEw york rEsiDEnts who livED in thE northErn pArt oF mAnhAttAn AnD hAD strokEs BEtwEEn july 1, 1993 AnD junE, 1997.AFtEr tAking into ACCount DiFFErEnCEs in othEr FACtors thAt CoulD AFFECt strokE risk, suCh As high BlooD prEssurE, thE rEsEArChErs EstimAtED thAt suBjECts who ConsumED up to two AlCoholiC Drinks DAily wErE only hAlF As likEly to hAvE suFFErED Clot-typE strokEs As nonDrinkErs^②.Clot typE strokEs ACCount For 80 pErCEnt oF All strokEs, A lEADing CAusE oF thE us DEAths AnD DisABility. strokE risk inCrEAsED with hEAviEr Drinking.At sEvEn Drinks pEr DAy, risk wAs Almost triplE thAt oF moDErAtE DrinkErs.
An ExpErt spokEsmAn For thEAmEriCAn hEArtAssoCiAtion, who wAs not involvED in thE stuDy, sAiD it wAs wEll-DonE AnD importAnt inFormAtion.But it shoulDn’t BE intErprEtED to mEAn, "i CAn hAvE two Drinks AnD thErEForE not worry ABout my high BlooD prEssurE or worry ABout my CholEstErol," sAiDDr.EDgAr j. kEnton, An AssoCiAtE proFEssor oF CliniCAl nEurology At thomAs jEFFErson univErsity mEDiCAlCollEgE in philADElphiA、instEAD, hE sAiD, thE stuDy proviDEs gooD rEAson to Do FurthEr rEsEArCh AnD to ADD AlCohol to thE list oF moDiFiABlE risk FACtors For strokE.
thE nEw stuDy ConDuCtED ByDr. sACCo AnD his CollEAguEs is uniquE in thAt ______.A．it rEFutEs EArly stuDiEs on thE protECtivE EFFECt oF moDErAtE Drinking AgAinst hEArt AttACks
B．it ConFirms EArly stuDiEs oF moDErAtE Drinking AgAinst hEArt AttACks
C．it hElps to rEsolvE thE DisputEs ovEr thE EFFECt oF moDErAtE Drinking AgAinst strokEs
D．it FinDs thAt moDErAtE Drinking CAn BEnEFit pEoplE oF DiFFErEnt rACEs EquAlly wEll