How to escape your office--without notifying the boss

1. Turn off your phone and leave the office for your lunch break

"Our bodies are designed to deal with stress intermittently, not 24 hours a day," says David Posen, M.D., the author of The Little Book of Stress Relief. "Removing the source of stress, even for a short time, allows your body to recover, restore, and relax." Brooks Gump, Ph.D., who found that taking more vacations cuts...