Cannabis (IMAGE) University of New Mexico Caption Researchers at The University of New Mexico say the federal government makes it extremely difficult to conduct any meaningful research on the risks and benefits of medicinal use of Cannabis sativa. Credit Daniel Zgombic 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.