Children's Health

Flint, Mich., started drawing its tap water from a local river in April 2014. The water is so corrosive that it's causing lead to leach out of aging pipes, resulting in serious health issues.

Researchers find that babies lacking four types of bacteria in their guts at 3 months appear to have a higher risk for developing asthma later in life.

Studies showing that a treatment works are more likely to be published than those with a negative result. So talk therapy and drug therapy for depression are probably less effective than thought.

A pediatric hospital in Houston is opening a new biocontainment wing — the first in the U.S. designed for children. Kids will even get dolls sporting mini versions of "spacesuits" doctors wear.

When a 23-year-old who has tried to kill himself visits family, he must mentally prepare to resist hurting himself with their guns, he says. Gun access can make suicidal impulses harder to fend off.