The use of aspirin to ward off heart attacks and strokes in those who do not have obvious cardiovascular disease should be abandoned, researchers say.

The Drugs and Therapeutics Bulletin (DTB) study says aspirin can cause serious internal bleeding and does not prevent cardiovascular disease deaths.It says doctors should review all patients currently taking the drug for prevention of heart disease. Low-dose aspirin is widely used to prevent further episodes of cardiovascular disease in people who have already had problems such as a heart attack or stroke.

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