Study questions value of coated, low-dose aspirin therapy

Roughly one-fifth of Americans take low-dose aspirin every day for heart-healthy benefits. But, based on either urine or blood tests of how aspirin blocks the stickiness of platelets - blood cells that clump together in the first stages of forming harmful clots - up to one third of patients are deemed unlikely to benefit from daily use. Such patients are called "aspirin resistant." Clots are the main cause of most heart attacks and strokes.

Read more...