UF: What is chronic pain and why is it hard to treat?

Robert Caudle, a professor in UF’s Department of Oral and Maxillofacial Surgery, discusses the elusive nature of unrelieved pain, which contributes more to human suffering than any disease.

A recent study by the National Institutes of Health found that more than one in three people in the United States have experienced pain of some sort in the previous three months. Of these, approximately 50 million suffer from chronic or severe pain.