Chronic pain is a progressive disease of the nervous system. Read more about this often-misunderstood and misreported subject in "Chronic Pain & Opioids: Debunking the Myths," by Frank B. Fisher, MD. Copies are also available in PDF. This piece is also the basis for one of CSDP's public service ads, Debunking the Myths parts 1 and 2. As ever, the ad is also available as a PDF.