There's a disease that American doctors are absolutely terrible at diagnosing. It's estimated that three million Americans have celiac disease, and only a small percentage of them know it.

There are a few parts of the body you should be familiar with in order to recognize important symptoms and alert your doctor. Here's my top-four list of organs whose location patients should know but often don't.

Who exactly are these uninsured people we keep hearing about? They're not what many people expect. The vast majority of the uninsured -- 81 percent -- come from working families with low incomes.

As a physician, I fear missing a serious illness in somebody who happens to be hypochondriacal. The best approach has been to take complaints seriously, do a complete history and physical, and allow plenty of time for discussion.

In a recent study, 19% of teenagers answered "yes" when asked if they had ever "sent a nude or semi-nude picture/video" of themselves to someone via email, cell phone, etc.