I discovered this article as I sit here drinking a glass of red wine. (It was a long, hard day in the salt mines.) Read it only if you can deal with humans being compared to mice.
Yes, Red Wine Holds Answer. Check Dosage. - New York Times.
Can you have your cake and eat it? Is there a free lunch after all, red wine included? Researchers at the Harvard Medical School and the National Institute on Aging report that a natural substance found in red wine, known as resveratrol, offsets the bad effects of a high-calorie diet in mice and significantly extends their lifespan.