Antioxidants — too much of a good thing?

In older men, a natural antioxidant compound found in red grapes and other plants — called resveratrol — blocks many of the cardiovascular benefits of exercise, according to research published July 22, 2013 in The Journal of Physiology.

Fuente : http://www.eurekalert.org/pub_releases/2013-07/w-a…