Aspirin has an impressive list of potential health benefits, but new evidence suggests that many patients are told to discontinue this low-cost, effective therapy without good cause.

Scientists hoped to examine how brief air pollution reductions would affect the heart. Using an interesting location -- the 2008 Beijing Olympics -- they found that even short-term drops in pollution exposure improve cardiovascular health.

Tomatoes contain a nutrient that may prevent onset of vascular diseases, according to new research from Kyoto University.