A Key Trigger of Immune Overactivity is IDed

The immune system is crucial to our health. It must sense pathogens and respond to these threats effectively. But the immune system also has to be carefully controlled. If it starts to attack healthy tissues, overreacts to an infection, or is constantly causing low-grade inflammation, serious problems can arise. Millions of people around the world suffer from autoimmune disorders like type 1 diabetes, lupus, or rheumatoid arthritis, for example.  But…