Seizures caused by fever are frightening, even though they don't harm long term. And a few vaccines do slightly raise the risk of a febrile seizure. But not being vaccinated poses a greater risk.
In the '70s, Dr. Herbert Needleman made a discovery that changed how people think about lead. His work led to a ban on lead in gasoline. But as seen in Flint, Mich., lead poisoning is still a concern.
A website that helps connect families of kids who have extremely rare genetic diseases with scientists — and with other families — is turning up new diagnoses, support and avenues of treatment.
Linda Johns was in the midst of a presentation at a Seattle bookstore when she suddenly felt intense flulike symptoms. But it wasn't flu. It was a heart attack, a type that hits healthy young women.
There's a heated battle about the Olympics in Rio. Some health experts are calling for the games to be moved because of Zika. Others say attending the games doesn't pose a threat.
Author Sarah Hepola once got so drunk before a presentation that she didn't remember it the next day. She wrestles with her reasons for drinking in her memoir. Originally broadcast July 30, 2015.
Many combatants return from the battlefield with hearing loss. The U.S. Army has begun deploying a "smart earplug" system that can protect hearing without blocking crucial sounds.
A synthetic version of the human genetic blueprint might used for a wide range of medical research, scientists say. But it's far from reality, and comes with big ethical and safety questions.
Back in 1983, Congress authorized a public health emergency fund. But the pot of money was never very substantial and it hasn't been replenished. The fund now stands at $57,000.