Bacteria in the gut have been implicated in autoimmune diseases, like lupus, that don't primarily affect the gastrointestinal ...

Our immune system is armed with an array of defenses designed to detect and eliminate harmful threats. One of its most powerful defense mechanisms is the complement system-a group of proteins that ...

Researchers discovered a previously unknown mechanism that may drive tissue damage and a new target for drug discovery.

You've heard massaging it can relieve stress—now experts have found the 27 million U.S. autoimmune sufferers could find therapy here, too.

Humans have an exceptional ability to deal with viruses. In most cases, your immune system is able to fight an infection. On ...

In a groundbreaking theory, scientists at Arizona State University's Biodesign Institute propose a unifying explanation for the molecular chaos driving Alzheimer's disease.

A research team has discovered that the two key pathological hallmarks of Alzheimer's -- tau protein and beta-amyloid -- affect brain circuits in distinct yet synergistic ways, particularly those ...