"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The exact reason why some people develop RA isn’t clear either, but it’s thought to be from a combination ...

It's linked to Type 2 diabetes, cancer, and more—but the health effects aren't clear cut, according to experts.

Can what you eat help calm psoriasis, a chronic inflammatory disease that affects the skin? It's identified by the development of thick, red patches with silvery scales, causing the area to itch or ...

Research from Yale and funded by various organizations, including the Lupus Foundation of America, investigated the possible link between lifestyle and autoimmune and metabolic diseases. The animal ...

Our immune system has a dark side: It’s supposed to fight off invaders to keep us healthy. But sometimes it turns traitor and attacks our own cells and tissues. New research is raising the prospect of ...