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.
What are called autoimmune diseases can affect just about every part of the body – and tens of millions of people. While most common in women, these diseases can strike anyone, adults or children, and they’re on the rise.
New research is raising the prospect of treatments that might do more than tamp down symptoms. Dozens of clinical trials are testing ways to reprogramme an out-of-whack immune system.
Furthest along is a cancer treatment called CAR-T therapy that's had some promising early successes against lupus, myositis and certain other illnesses. It wipes out immune system B cells – both rogue and normal ones – and the theory is those that grow back are healthier.
Other researchers are hunting ways to at least delay brewing autoimmune diseases, spurre
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