Harvard Heart Letter

Resistant to aspirin?

Ask the doctor Q. I recently started taking low-dose aspirin, per my doctorís advice. But I heard that for some people, aspirin doesnít help prevent heart attacks. Is this true, and is there any way to find out if Iím one of those people? A. The phenomenon youíre referring to is sometimes called aspirin resistance. However, true aspirin resistance is very uncommon. There are tests for the problem, but I…

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