Physician Advisory Task Force News Today

Thank you. tonight, a major reversal by an influential physician advisory task force on who should take an aspirin a day to prevent heart attacks and strokes. cbs news chief medical correspondent dr. jon lapook is here to explain. good to have you, dr. lapook. why was this change recommended? >> for years theres been a gradual evolution of guidance about who should be taking low-dose aspirin to prevent a first heart attack or stroke. we have seen a shift away recommending it because of the risk,...