Add Yahoo as a preferred source to see more of our stories on Google. Some people say they're 'allergic to their period.' Here's what to know about the autoimmune skin condition that causes it.

Researchers, led by University of Melbourne’s Professor Laura Mackay, a Laboratory Head and Immunology Theme Leader at the Peter Doherty Institute of Infection and Immunity (Doherty Institute), ...

Hives can seem random because they erupt fast, move fast, and often vanish before anyone else sees them. One welt may itch ...

Autoimmune progesterone dermatitis is a rare condition that can occur when progesterone rises during a woman's menstrual cycle. It can cause a physical reaction that may present differently depending ...