David D. Clarke, MD is President of the Psychophysiologic Disorders Association (EndChronicPain.org), Assistant Director at the Center for Ethics and Clinical Assistant Professor of Gastroenterology Emeritus at Oregon Health & Science University in Portland, Oregon. He is board-certified in Gastroenterology and Internal Medicine and has treated over 7000 patients whose symptoms were not explained by disease or injury but rather by stress or trauma. His book for patients, They Can’t Find Anything Wrong!, was praised by a president of the American Psychosomatic Society as “truly remarkable.” He has also edited two textbooks on stress-based conditions and co-produced three documentary films.