A few days ago, a customer named Kevin visited Mycoboutique’s shop in Montréal. Among other purchases, he brought to the cash counter a fascinating book: How to Change Your Mind, in which Michael Pollan explains how hallucinogens, psilocybin in particular, are used today to treat numerous mental disorders. Psilocybin is present in many species of mushrooms, so-called "magic" mushrooms that have been ritually ingested for millennia. The visitor candidly stated that he had been a drug addict and that, for three months, he had freed himself from this dependence by regularly taking psilocybin microdoses. "Every morning, I wake up sullen, but, as soon as I swallow my daily capsule, I find my spirit ", he said.