Which Dr. Knows Best? Oprah's Magazine Reveals Shocking Answer

Could your eye doctor know more about your cholesterol than any other doctor? That's what the health editor at O Magazine, Oprah's magazine, says. She says that many parts of your body can tell what's happening with other random parts of your body, and sometimes different doctors can help you out more than you might think. For example, your dentist might be able to tell if you have diabetes.