Dr. Oz's 6 Health Secrets from Around the Globe

The Secret
A 2007 study of more than 23,000 Greek adults may have revealed a surprising key to their legendary vigor—the siesta. Compared with those who power through the day, adults who nap for a minimum of 30 minutes at least three times a week have a 37 percent lower risk of dying from heart disease.

The Prescription
If your work schedule doesn't allow you to pencil in a snooze, nap on weekends—every little bit helps.