A study, published in Molecular Psychiatry, led by Prof. Bernard Lerer from the Department of Psychiatry at the Hadassah—Hebrew University Medical Center shows promising results for using psilocybin, a psychedelic compound, as a potential treatment for obsessive-compulsive disorder (OCD) and Tourette’s syndrome. The paper is titled “Striking Long Term Beneficial Effects of Single Dose Psilocybin and Psychedelic Mushroom Extract in the SAPAP3 Rodent Model of OCD-Like Excessive Self-Grooming.”