Explain Chronic Pain

Australian researchers have made a discovery that they say sheds new light on the roots of chronic pain, a discovery that could lead to new treatments. Scientists working with rats used dye to follow the path of pain signals in the brain. They found that when pain reaches one part of the brain, it sends out a signal to another part of the brain that triggers emotional responses, and this could lead to anxiety and heightened perceptions of pain. Experts say this may explain why chronic pain suffe... Read more »