Silver Book Fact
Persistent pain affects more Americans than diabetes, heart disease, and cancer combined.
Tsang A, von Korff M, Lee S, et al. Common Chronic Pain Conditions in Developed and Devloping Countries: Gender and age differences and comorbidity with depression-anxiety disorders. J Pain. 2008; 9(10): 883-91. http://www.sciencedirect.com/science/article/pii/S1526590008005750