Pain that lasts for more than six months of duration is often referred to as chronic pain. This pain may originate in the body, in spinal cord or in brain. It may include headache, post-surgical pain, post trauma pain, lower back pain, cancer pain, arthritis pain, neurogenic or psychogenic pain. It is often treated by pain management. More than 10.2% to 55.2% around the globe often come across chronic pain.
