More than 51 million adults in the United States suffer from chronic pain, some of it completely debilitating. And increasingly, they're being referred to specialty centers known as pain clinics.

Pain is our body’s way of letting us know that something is wrong. For many people living with chronic illness, pain alerts us that our disease is flaring and that we need medical treatment. While we ...

Janice MacMillan recalls driving home from work trying to breathe through a flare-up of excruciating chest pain, all while contemplating this heavy question: "What's the point of living if this is my ...