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The new guidelines promote daily low-dose aspirin to prevent stroke in all women aged 65 and older regardless of their cardiovascular risk. An daily aspirin regimen in consultation with your doctor is recommended for women of any age who are at high risk for stroke.

Research has shown aspirin can help men avoid heart attack, but for women, aspirin has only shown a benefit of stroke prevention.

The latest research shows two things do nothing to prevent cardiovascular disease -- hormone therapy and supplements like vitamins and folic acid.