Professor Ryan Bogdan (IMAGE) Washington University in St. Louis Caption “As sociocultural attitudes and laws surrounding cannabis use become increasingly permissive, and COVID-19 continues to spread, we need to better understand how cannabis use as well as heavy and problematic forms of use are associated with COVID outcomes,” said Ryan Bogdan, associate professor in the Department of Psychological & Brain Sciences Credit Washington University in St. Louis Usage Restrictions Use allowed with proper attribution License Original 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.