Doctors say 2-year-old Habiba al-Askari has days to live as gangrene creeps up her arms and legs, and only an urgent medical ...

Getting the HPV vaccine in early adolescence may lower the risk of HPV-related cancers before exposure occurs. Learn about ...

A friend asked for a column on shingles. Shingles is a reactivation of the varicella zoster virus that causes chickenpox, and ...