Antioxidant supplementation: more evidence against it

The National Cancer Institute has cancelled a large multi-year study which sought to determine if vitamin E and/or selenium could reduce the incidence of risk of prostate cancer.

Why? Because no benefit was showing up. More importantly, a slightly higher incidence of the cancer was being observed in men taking just the vitamin E supplements.

This reinforces earlier research which has found similar results with other antioxidants. I wrote a paper about this for one of my biology courses last spring; here's an earlier post on the topic.