DoctorsSayMostHeartDiseasePreventableHeartdiseaseisthen...
问题详情：DoctorsSayMostHeartDiseasePreventableHeartdiseaseisthenumberonekiller,worldwide,ofmenandwomenovertheageof60.Butpeopleofallagesdieofheartattackseachyear.AndwhiledeathrateshavedeclinedintheU.S.a...