Does adding exercise to a diet help heavy kids?

By Genevra Pittman NEW YORK (Reuters Health) – Tacking regular exercise on to a diet program for obese kids and teens typically doesn't help them lose any more weight, a new review of past data suggests. "Changing diet, improving diet, reducing calories is enormously important for weight loss both in kids and adults," said Gary Bennett, who studies obesity prevention at Duke University in Durham, North Carolina. "Exercise is important too, but I think we sometimes overemphasize how important exercise is," Bennett, who wasn't involved in the new study, told Reuters Health. …