PSILOCYBIN MUSHROOMS Psilocybin mushrooms have been used under therapeutic conditions to treat a wide range of ailments, including obsessive-compulsive disorder, cluster headaches, anxiety, addiction, and depression. They also happen to be one of the world's most popular psychedelics. Inside, you will learn all about these fascinating mushrooms, their history, effects, and many uses. On top of that, you'll also discover how they are cultivated, stored, and best consumed!