An edible mushroom causes visions of tiny people. Nobody knows why

DNA sequencing linked tiny people hallucinations to 1 mushroom species that contains no known psychoactive compound.

tiny people hallucinations — Lanmaoa asiatica. Photo by Ruanxian Dai et al. / CC BY 4.0, via Wikimedia Commons

Remember that Chinese mushroom that can cause you to hallucinate tiny people? The best guess for this bizarre effect is that the mushrooms contain some kind of psychoactive substance unknown to science, rather than cultural conditioning, because…