Your Health

After warning of elevated lead levels in her patients in Flint, Mich., Dr. Mona Hanna-Attisha faced a backlash: "The state said that I was an unfortunate researcher, that I was causing near-hysteria."

If you are bitten by a Lone Star tick, you could develop an unusual allergy to red meat. And as this tick's territory spreads beyond the Southeast, the allergy seems to be spreading with it.

Doctors want to remind moms to get certain vaccines while pregnant. Whooping cough in particular can be deadly for newborns, but only about 50 percent of pregnant women get the vaccine.

Two herpes viruses that cause skin rashes in toddlers may accelerate Alzheimer's disease when they infect brain cells. The finding suggests antiviral drugs might help protect the brain.

A study finds light drinkers have the lowest combined risk of getting cancer and dying prematurely — lower than nondrinkers. Alcohol is estimated to be the third-largest contributor to cancer deaths.

A committee of experts examined about a dozen different synthetic biology technologies that could be potentially misused. For each, they considered how likely it was to be usable as a weapon.