
An FDA panel is will begin hearings on Avandia today. The drug that's safety has been questioned since 2007 and could be pulled from the market. Steven Nissen has authored a study finding it could increase the risk of heart attacks. He spoke to CNN's Kiran Chetry Tuesday.

Mamie Underhill (L), 104, and her daughter Leita Chapman attend a birthday celebration for five women residents at the Solheim Lutheran Home who are 100-years-old or more August 16, 2002. (Getty Images)
(CNN) – Scientists are getting closer to unlocking one of the world's biggest genetic mysteries: Why do some people live so much longer than others? The latest research is coming from a team at Boston University. Dr. Thomas Perls, associate professor of medicine and geriatrics at BU's School of Medicine, joined us on Tuesday's American Morning to discuss the secrets to being a centenarian. Watch ![]()
(CNN) – Every Thursday, our chief medical correspondent Dr. Sanjay Gupta joins us live to answer your health questions.
(CNN) – Over 1,800 veterans who went to a Missouri VA hospital are now facing possible exposure to HIV and hepatitis. And we now know why: improperly cleaned dental tools. But hospital officials say laziness wasn't a factor. Missouri Democrat Rep. Russ Carnahan is calling for a full investigation and he joined us on Thursday's American Morning to explain.
Read more: VA hospital may have infected vets
(CNN) – New evidence suggests Americans are not improving when it comes to a healthy weight. Adult obesity rates shot up in 28 states over the past year. There are obesity provisions built in to the new health care reform law and the White House is crusading against childhood obesity. Our chief medical correspondent Dr. Sanjay Gupta joined us on Wednesday's American Morning to break it all down.
(CNN) – A sport that involves getting stung by jellyfish isn't for the faint of heart. But for one woman, extreme swimming is worth the pain and hours of training. Our Dr. Sanjay Gupta gives us this exclusive look at an amazing athlete.

