The pandemic of swine flu may be hitting a peak across much of the globe, health officials said on Friday, but they cautioned it was far from over.

A sweeping health care overhaul narrowly clears its first hurdle in the Senate, with Democrats casting 60 party-line votes to open debate.

Marines treated for post-traumatic stress had to undergo therapy for months in temporary trailers where they could hear live-fire training, according to servicemen and their former psychiatrist.

A Pennsylvania university's requirement that overweight students take a fitness course to graduate has raised the hackles of students and the eyebrows of health and legal experts.

Most women in their 20s can have a Pap smear every two years instead of annually, say new guidelines that conclude that's enough to catch slow-growing cervical cancer.

Starting next year an extra 6.3 million children worldwide will have the chance to feel that pinch and get vaccinated against some of the world's deadliest illnesses.

Norwegian health authorities said Friday they have discovered a potentially significant mutation in the H1N1 influenza strain that could be responsible for causing the severest symptoms among those infected.

Several doctors groups and advocacy groups set guidelines for cancer screening, and they update that advice periodically as new information emerges.

Morticians who use formaldehyde to embalm bodies have a higher risk of leukemia, researchers reported on Friday.

Two days before shipping off to war, Marine Pfc. Jesse Sheets sat inside a trailer in the Mojave Desert, his gaze fixed on a computer that flashed a rhythmic pulse of contrasting images.