Affordable Care Act requires nationwide menu labeling in 2016

And health care expenses for heaviest adults is nearly $2,000 more a year per patient

Study suggests people are eating better, living longer, though there's still room for lots of improvement

Experts cite despair, especially among the least educated

Researchers' end goal is a treatment for humans

Study findings support notion that early life exposure to microbes, allergens may prevent illness, experts say

Study raises concerns about using meds to treat conditions for which they weren't approved

Discussions may help kids delay sexual activity, and use condoms or other birth control

Kids who participate in dance or sports better able to pay attention and solve problems, research suggests

Actor, Politician Fred Thompson Dead at 73 Medicare to Cover End-of-Life Counseling for Older Americans