Many patients with chronic pain suffer from stress intolerance, and some patients have developed chronic pain during or following a stressful period or (life) event (e.g. motor vehicle accident, trauma exposure). When chronic pain is present, stress typically worsens the pain (severity). Taken together, stress and chronic pain are closely connected. In this blog post fascinating research findings regarding the effect of chronic stress on the brain are presented, providing a neuroscientific explanation why chronic stress may lead to the development of chronic pain.