Both pain specialists and their patients find chronic pain to be a mystery: it is hard to comprehend (because everyone experiences pain differently), difficult to treat successfully, and irritating to deal with. In order to relieve their suffering, desperate patients can occasionally resort to extreme and permanent surgical treatments, such as amputating nerves. Sadly, even these procedures may not have the desired effect. Systemic Lupus Erythematosus Fortunately, a lot of progress has been made in our comprehension of how pain is experienced and how various analgesics affect our nervous systems. In 1967, a neurosurgeon implanted the first device to treat unbearable pain, ushering in a new era in the treatment of chronic pain. The intrathecal pump, a device made to deliver a desired drug directly into the spinal fluid surrounding the spinal cord, is another type of neuromodulation. Because it does not need to be digested by other body systems before reaching the target location,...