Classrooms, locker rooms and dormitories are breeding grounds for bacteria and viruses, expert says

Findings add to evidence of safety of childhood immunizations, pediatricians say

Insurer Aetna's Envelopes Revealed Customers' HIV Status

Caring for a loved one from afar

Here's what to watch for

Take medication before symptoms flare, reduce mold exposure and avoid pollen, allergy expert says

Continuous long-term monitoring led to diagnosis in 1 out of 3 high-risk adults

It's never too late to get started on a valuable pursuit

Poor diet, drugs and car accidents also among the leading concerns, poll shows

Addictive painkillers should be treatment of last resort, headache expert says