Like other hallucinogens, psilocybin produces such vivid mental changes and rapid mood swings that users can easily feel overwhelmed by the flood of feelings and perceptions that psilocybin lets loose. Still, while staring down panic may ultimately require little more than time and the support of a caring friend, it can be terrifying nonetheless. Dancing With Angels For all their reputed magic, mushrooms can be more of a mystery than some people imagine. And even though some users might think it's safer to pick their own, things can get even trickier then. The presence of poisonous lookalikes only compounds the risk.
Experts say toxic mushrooms outnumber psilocybin varieties by a ratio of ten to one.
And since two dozen mushroom species contain varying amounts of the drug, gauging a safe dose is a lot like guessing the number of angels that can dance on the head of a pin. It Now Foundation.