Your pain might not be coming from your body — it could be coming from your brain. In one of the most groundbreaking studies on pain ever done, Dr. Vania Apkarian and his team followed people who had just hurt their backs. But instead of looking at the injury, they looked at the brain. Here’s what they found: In people who healed normally, pain activated the parts of the brain responsible for sensing physical damage — like a check engine light. It came on, did its job, and turned off. But in peo