In the New York town of LeRoy, more than a dozen people have suddenly developed uncontrollable twitching and verbal tics.

Doctors studying to become dermatologists have, for years, shared exam questions by memorizing and writing them down after the test to become board certified, CNN has confirmed.

Paul Stamets was shy as a child; he couldn't look people in the eyes, so he stared at the ground. That's where he found mushrooms.

Senior executive producer Roni Selig's personal and professional problems led to her eventually start the Fit Nation program at CNN.

As Kenya's leading psychiatrist, Frank Njenga has been championing the cause of better mental health care for more than three decades.

The world's largest collection of athletes' brains is being used to understand exactly what hits on the field are doing to the brain.

The cold hard reality is that America does not need to reform health care, it needs to transform health care, Dr. Otis Brawley says.

"I see here you'll be staying overnight," says the woman at the surgery check-in, fixing me with a soothing beam.