Vitamins support immunity, but supplements aren't a guaranteed defense against infection. Our bodies rely on a full spectrum ...

The approval could slow new infections and move the world closer to eliminating HIV. But huge obstacles remain.

Infection by certain wrigglers may reduce inflammation and fight obesity and diabetes. Scientists are working to turn the ...

The United States could soon have another tool in the fight against respiratory syncytial virus, an illness that’s the No. 1 cause of hospitalization in infants.