When you hold your breath underwater, you might pass out before you realize you need oxygen right now. Experienced swimmers have drowned as a result, and most people aren't aware of the risk.
An effort to get doctors to improve their communication skills didn't reduce the number of new mothers hesitant about vaccines. But researchers say this is just a first try at a worthy concept.
Gordon Brown of the U.N. said it's the worst year for refugees since 1945, and cited a litany of other miseries for youth. We asked experts what can be done to make 2015 a little less horrible.
It seemed to make sense that the childhood Hib vaccine could cut leukemia risk by keeping the immune system in check. But proving there's cause and effect at work turns out to be a challenge.
Giving the newborn one last boost of blood from the placenta may help increase social and motor skills at age 4, a study finds. Earlier studies have found health benefits in infancy.
Ophthalmologists and cornea specialists have raised concerns about the lenses, citing studies and their own experiences treating children and teens who developed eye infections after wearing them.
From workers calling for higher wages to teachers blasting McDonald's for marketing to kids in schools, a bevy of critics have descended upon the company's headquarters in Illinois this week.
In one of the most remote parts of the Peruvian Amazon, researchers are in the midst of an extensive health census. The study could be key to figuring out the impact of mercury used in illegal mining.