It's an optimization problem: The positive side is the decreased risk of heart problems. The negative side is the increased risk of stomach problems. If you

It's an optimization problem: The positive side is the decreased risk of heart problems. The negative side is the increased risk of stomach problems. If you are at a low risk for heart problems, the negatives generally out-weigh the positives. If you are at a high risk for heart problems, the positives might out-weigh the negatives, since heart problems are more likely to be fatal than stomach problems. According to TFA, recommendations for daily aspirin are too common.