A 51-year-old smoker (25 pack-years) with no symptoms asks about aspirin for primary prevention. 10-year ASCVD risk 9%. No bleeding risks. What is the USPSTF position on aspirin for primary prevention?ARecommend low-dose aspirin for all adults >=50BConsider low-dose aspirin for adults 40-59 with >=10% risk after shared decision-makingCRecommend aspirin for adults >=60 with >=10% riskDAspirin not recommended for anyone without ASCVDEHigh-dose aspirin preferred for smokersCheck my answer