You're extra busy at work this month, but you need to find time to unwin: Doing too much can make you sick. Those who clock-51-plus hours a week are 30 percent more likely to have high blood pressure than those work less than 40, say Unviersity of California, Irvine experts. And those with chronic job stress are up to five times more likely than stress-free workers to get metabolic syndrome, a group of risk factors that can lead to heart disease and diabetes. To stay healthy, ease the strain, make friends at work and take breaks.

Related link: How to Prevent Diabetes