Modafinil has been approved for treatment of narcolepsy, but it's often used to improve mental performance. The question is, does it work? A new study says probably not.
Faulty forms of the brain protein tau trigger tangles inside and outside brain cells of Alzheimer's patients. Scientists say figuring out how to stop bad tau's spread from cell to cell might be key.
Researchers gear up tests in West Africa to see whether blood from Ebola survivors can help people who are sick with the disease. This is part of a broader effort to test therapies in West Africa.
Montana and Georgia both have minority populations whom health advocates hope to enroll for coverage. But advocates also fear that many in those communities won't qualify for subsidized coverage.
Ebola can linger in semen for months after a person recovers from the disease. So survivors are typically given condoms and a stern warning. But India is being more cautious.
A new poll shows Ebola is the one of the top health concerns of Americans, below access to health care and affordable health care. Robert Siegel talks to Frank Newport, editor in chief at Gallup.
The global fight against the disease has stalled, says the World Health Organization. The recession gets some of the blame. And so does the anti-vaccine movement.
Dr. Martin Salia, who got the virus while working in Sierra Leone, is said to be sicker than some of the other patients who have been successfully treated for the disease in the U.S.