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.

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.

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.

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.