free radicals

(Newser) - If you're one of the “worried well” chowing down on Vitamin C and E supplements because you think antioxidants are good for you, think again. A new study suggests that abnormally high levels of antioxidants might actually increase your cancer risk. Stem cell researchers discovered the danger by accident,...

(Newser) - Heart attack survivors who eat chocolate after recovering are much less likely to suffer a recurrence than people who abstain, AFP reports. People who eat at least two servings a week are three times less likely to die from heart disease than those who don’t consume chocolate. And the...

(Newser) - Regular coffee drinking has been linked to a reduced risk of fatal heart attacks, according to a new study of the health effects of coffee. Women who regularly drank three cups of coffee a day had a 25 percent lower risk of death from heart disease than women who didn't...

(Newser) - Antioxidant vitamin supplements do not improve health or prevent disease—and may even cause death, according to new research. In a stunning blow to millions who take vitamins, a review of 67 studies involving 230,000 users showed "no convincing evidence" that antioxidants had any benefit, and linked vitamin...