For decades, taking low-dose aspirin every day was widely recommended as an easy way to prevent heart attacks and strokes. But that advice has changed.

Low-dose aspirin was a quarter of the standard dose, or 1.25 grains, and has remained unchanged until now. Do the math. A ...

As low-dose prophylactic aspirin therapy becomes common among older people, potential risks that are associated with such treatment assume increasing importance. In particular, some clinicians are ...