Obese men don't do much better, breaking a sweat only 3.6 hours annually, researchers sayA new study suggests that obese women get just one hour of vigorous exercise a year, while obese men don't do much better at fewer than four hours.The findings startled the researchers, whose main focus was finding better ways to measure how much exercise people get."They're living their lives from one chair to another," said Edward Archer, a research fellow...