Why does chronic pain often lead to depression? Our research shows the answer is in the brain

Researchers have long wondered why some people with chronic pain develop depression. yourphotopie/ Shutterstock

Chronic pain has long been known to be associated with depression.

Among adults with chronic pain, around 40% exhibit clinical symptoms of depression. But why is it that only some people with chronic pain develop depression?

Researchers have long been wondering why this happens – and what goes on in the brain. If we can answer this question, we may be able to prevent depression from developing.