Aspirin was once recommended for all over-60s in the US as a way to prevent a first heart attack or stroke. But in 2018, medical organizations began to row back on the advice , saying any benefits were outweighed by the risks. Aspirin was once recommended for all over-60s in the US as a way to prevent a first heart attack or stroke. But in 2018, medical organizations began to row back on the advice , saying any benefits were outweighed by the risks.