Patients would carry soda into Dr. Gerard Clancy’s office, with cigarettes tucked away for after therapy. Often victims of abuse or violent crime, they would seek soothing but risky behaviors to cope. Overweight. Chronic pain. Chronic obstructive pulmonary disease. Type II diabetes. His former patients will die younger than they should, he said. Clancy conducted therapy sessions until he became president of the University of Tulsa in 2016. At his psychiatry clinic, he saw firsthand how a...