Table I. Recent published and some current psilocybin studies. Y-BOCS, Yale Behaviour in Obsessive Compulsive Disorder Scale; HAM-D, Hamilton Depression Rating Scale; HAM-A, Hamilton Anxiety Rating Scale; MADRS, Montgomery Asberg 
Depression Rating Scale; QIDS-SR, Quick Inventory overdose Depression Scale – Self Report; POMS, Profile of Mood States; STAI, Spielberg State Anxiety Inventory.