Healthy Living: Heady Over Grapes? (cont.)
Or maybe not so fine, says Kedar Prasad, PhD, director of the Center for Vitamins and Cancer Research at the University of Colorado Health Science Center. Taking too much OPC, vitamin C, or other antioxidant, could -- theoretically at least -- add to your risk of cancer. That's because free radicals don't just damage healthy cells; they also act as a check on cancer growth. And some researchers worry that antioxidants may blunt the effects of radiation and chemotherapy used to treat cancer.
Such warnings remain hypothetical, though, and they aren't likely to sway the likes of Linda Walsh. She says that the supplement cured her son's allergies and may prevent her from suffering a heart attack like the ones that killed her mother at age 60 and her father at age 50. "People think I'm exaggerating," she says. "I'm just thankful that I found a product that helped."
Laura Lane, an associate editor at WebMD, has a master's degree in biological sciences from Stanford University. Her work has appeared in The Dallas Morning News, the Tufts University Health and Nutrition Letter, CNN Interactive, Healthy Living magazine, and Shape magazine.
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