Fly agaric mushrooms contain the psychoactive chemicals ibotenic acid and muscimol, which are known to cause twitching, drooling, sweating, dizziness, vomiting, and delirium. Fly agaric mushrooms are not the same thing as psilocybin-containing mushrooms. "What you have to ask with any drug is whether they are addictive, and 'magic' mushrooms have t… Read More