Charles Grob, LA BioMed (IMAGE) LA BioMed Caption Dr. Charles Grob, LA BioMed principal investigator, led a research team that found psilocybin, an hallucinogen which occurs naturally in "magic mushrooms," can safely improve the moods of patients with advanced-stage cancer and anxiety. Credit LA BioMed 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.