A combination of universal voluntary HIV testing and immediate antiretroviral treatment (ART) following diagnosis of HIV infection could reduce HIV cases in a severe generalized epidemic by 95 percent within 10 years, a World Health Organization study finds.

The researchers used computer modeling to examine the impact of testing all people aged 15 years and older for HIV every year and starting ART immediately after a person is found to be infected with HIV, the virus that causes AIDS.

A salmonella outbreak across dozens of states last year was caused by microwaveable frozen pot pies that weren't properly cooked, the U.S. government reported Wednesday.

And that highlights the need for safe preparation of such foods, according to the report, which will be published in the Nov. 26 issue of the Morbidity and Mortality Weekly Report from the U.S. Centers for Disease Control and Prevention (CDC).

As you push your chair back from the Thanksgiving table this year, a molecule produced in the small intestine will be swarming through your bloodstream, ready to register on your brain the impact of the fat you've just consumed.

For now, the signal might keep you feeling full for a while. But, researchers are hoping that one day variations of this family of hormones -- known as N-acylphosphatidylethanolamines, or NAPEs -- can be used to control appetite and therefore obesity.

Telephone counseling may be as effective as face-to-face counseling in helping people maintain weight loss, researchers report.

The University of Florida study included 234 obese women, ages 50 to 75, in underserved, rural areas of northern Florida.

All the women completed a six-month weight-loss program and lost an average of 22 pounds. They were then divided into three groups. Two groups received telephone or face-to-face weight control counseling, while the third group received printed health education materials.

A muscle relaxant drug widely used to prevent premature birth when women go into early labor is no more effective than a placebo at maintaining pregnancy, after the initial spell of preterm labor is stopped.

So say U.S. researchers who conducted the first ever placebo-controlled test of nifedipine and its effect on premature delivery with prolonged treatment. The study included 71 women who'd been successfully treated for preterm labor between 24 and 34 weeks of pregnancy.