McGrath CBD Research (IMAGE) Colorado State University Caption Dr. Stephanie McGrath led a small study with 16 pet dogs to assess the short-term effect of CBD on seizure frequency. Credit John Eisele/Colorado State University 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.