Stress, Anxiety, Depression and Addiction (AUDIO) Washington University School of Medicine Your browser does not support the audio element. Caption Stressed animals withdraw and don't interact as often with others. Those who previously have had drugs like cocaine also may seek more drugs in response to stress. But now investigators at Washington University in St. Louis and the University of Washington in Seattle report that they've identified a key molecular pathway through which stress can contribute to depression, drug-seeking behavior and other problems. Jim Dryden reports. Credit Washington University BioMed Radio Usage Restrictions None 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.