A headset that harnesses the power of thought could be used to treat chronic pain. In a small trial, patients experienced significant reductions in pain after wearing the device, which 'reads' their brainwaves and then trains their brain to better manage symptoms. After using the headset for eight weeks, sleep, mood and quality of life all improved, and anxiety and depression were eased. Chronic pain — defined as pain that persists for more than three months despite treatment — that is moderately to severely disabling affects eight million adults in the UK. Common causes include arthritis, back problems and migraine. In a small trial, patients experienced significant reductions in pain after wearing the device, which 'reads' their brainwaves and then trains their brain to better manage symptoms