Understanding Bronchitis

Passing laws is one thing; enforcing them is another. Enter New York City's idling rule, meant to improve the city's air quality by prohibiting drivers from running their engines when they're not moving.

What to expect at well-child visits

Well-child visits have changed since you were a kid. Find out what pediatricians will be checking for.

N.Y. town still baffled by mysterious tics

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

Meeting reflects medical mystery's divisiveness

A community meeting Saturday at a school where over a dozen children have developed tic-like symptoms quickly became contentious, further dividing an already-polarized community.

Exclusive: Doctors cheating in dermatology exams

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.

Head-trauma suits against NFL increase

A nasty collision during a kickoff in 1997 left Kevin Turner seeing stars.

Why I became a triathlete

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

Doctor fights mental health stigma

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

Brain bank examines hard hits

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

Opinion: How our doctors do harm

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

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