New study finds anxiety could be a third emotional state highly connected to the condition

The nation spends more on medications than any other country, researchers say

Odds increase with rapid rise in middle age, study finds

One toxin in particular was tied to sixfold higher odds of developing Lou Gerhrig's disease

Approach used for fighting tumors could also safely get medicines to placenta, mouse study suggests

Study found women who used them every day had babies who were twice as likely to be overweight by age 1 year

Researchers say kids are still heavy, and public health officials can't become complacent

This invisible layer could restore youthful appearance for up to 24 hours

As mosquito season approaches, people can take simple steps to protect themselves, health officials say

The mosquito-borne virus, which causes birth defects, expected to hit Gulf Coast states like Florida, Louisiana and Texas