Even though I’ve been reading up on hyponatremia for almost 20 years, I was surprised last April by The New England Journal of Medicine (NEJM). Five days before the Boston Marathon, it published research showing 13 per cent of the 2002 field might have suffered hyponatremia, a da...

There’s no hotter issue in sports nutrition right now than the carbs versus carbs-plus-protein controversy. The battle pits scientist against scientist, small companies against behemoths, and new research against long-held beliefs. At one crucial

independent study, in the Journal of the American College of Nutrition, to show that dark chocolate allows the arteries to expand and carry more blood. RW magazine subscribers can see the article in full here. If you'd like to to subscribe and see them all

independent study, in the Journal of the American College of Nutrition, to show that dark chocolate allows the arteries to expand and carry more blood. The benefit is thought to be due to the chocolate’s flavonols – plant micronutrients, also found in tea

on hydration in the UK, agrees with Valtin. “You hear this advice from magazines, but where is it actually coming from? Not the Department of Health.” Tim Lawson, director of Science In Sport, a sports nutrition company, believes that the eight glasses rule