Those who sat a lot and moved less than three and a half hours per day are the most likely to die early: researchers found a 94 percent increased risk for women and 48 percent increase for men, they announced recently in the American Journal of Epidemiology.'""Bad news for most of us here — The Chicago Tribune is reporting that even if you get plenty of exercise, sitting down all day reduces your lifespan. From the article: 'Even after adjusting for body mass index (BMI) and smoking, the researchers found that women who sit more than 6 hours a day were 37 percent more likely to die than those who sit less than 3 hours; for men, long-sitters were 17 percent more likely to die. People who exercise regularly had a lower risk, but still significant, risk of dying.