Daily aspirin use is known almost as a panacea for heart attack and stroke prevention. Although for some it is indeed beneficial, the bottom line is you need to check with your doctor before starting on a daily aspirin regimen.

The report offers detail, but in broad strokes, the following people should NOT take aspirin daily:

Men under 45 years old
Women under 55 years old
Anyone over 80 years old

In general, men over 45 and women over 55 who have risk factors for heart disease should consult with a doctor and weight the benefits against the risks. Risks include upper and lower GI bleeding.