James Zadina, Tulane University (IMAGE) Tulane University Caption This is lead investigator James Zadina, VA senior research career scientist and professor of medicine, pharmacology and neuroscience at Tulane University School of Medicine. 'It's unprecedented for a peptide to deliver such powerful pain relief with so few side effects.' Credit Photo by Paula Burch-Celentano, Tulane University. Usage Restrictions Please include attribution. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.