America's cities are beginning to grapple with a fact of life: People are getting old, fast, and they're doing it in communities designed for the sprightly.

A food pyramid just for the under-2 set? Contrary to popular belief, children don't usually outgrow their baby fat — and a new report urges steps to help prevent babies, toddlers and preschoolers from getting too pudgy too soon.

Too many doctors are testing the wrong women, or using the wrong test, for a virus that causes cervical cancer.

It turns out that nicotine can rev up brain cells that normally signal people to stop eating when they're full, researchers report in Friday's edition of the journal Science.

First-of-its-kind plan provides recommendations to reduce minority healthcare disparities.

The Institute of Medicine reports that sexual orientation and gender identity should be addressed by researchers, much as race and identity are routinely questioned.