Resveratrol is a chemical found in the skin of red grapes, berries, plums and peanuts.  It is being widely promoted as the latest antiaging wonder drug.  Fortunately, to separate research from hype, this issue of The Medical Letter reviewed the current knowledge on Resveratrol. Resveratrol has shown some interesting benefits in animal experiments.  In obese mice, it increased insulin sensitivity and longevity.  In non-obese mice it did not improve survival but increased other markers of good he...