Study links financial status in youth to biological differences that affect adults' risk of getting sick

Depression Is No. 2 Cause of Disability Worldwide: U.N.

Interferon injections don't always work, but new therapies on the way, experts say

But conversations about sexual histories and protection are important for couples, experts say

Check for lumps, hard knots or thickened areas

Include an over-the-counter painkiller

Long-lasting effect on brain seen in response to speech

Several testing options available for adults aged 50 and older

Medicare chief says HealthCare.gov is secure, site operations are improving

Several testing options available for adults aged 50 and older