The Role of Opioids in the Treatment of Chronic Pain

Chronic pain is a major public health problem, which is estimated to affect more than 100 million people in the United States and about 20–30% of the population worldwide.

The prevalence of persistent pain is expected to rise in the near future as the incidence of associated diseases (including diabetes, obesity, cardiovascular disorders, arthritis, and cancer) increases in the aging U.S. population. Read more.