Experts are questioning the effectiveness of taking a low-dose aspirin every day for primary prevention of heart attacks and strokes. Recent guidelines suggest that aspirin should be used infrequently in routine primary prevention due to the risks of bleeding in the brain and digestive tract possibly outweighing the benefits. Age plays a significant factor, with adults aged 40-59 with a 10% risk of a cardiovascular event benefiting slightly from aspirin, but those 60 years or older seeing no net benefit. Some studies indicate that discontinuing aspirin for primary prevention may increase cardiovascular event risk, but the decision should be individualized based on risk factors and preferences.
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