Mushroom triggers tiny-people visions, leaving scientists puzzled

A Lanmaoa asiatica mushroom may cause highly detailed, three‑dimensional tiny-people hallucinations, a unique effect not seen with other fungi. The exact psychoactive compound and brain mechanism are unknown, and researchers are sequencing the mushroom’s genome while testing candidate substances in mice. Visuals of miniature beings appear about 12–24 hours after ingestion and can last for days, even when users are otherwise sober, with culinary varieties of the mushroom commonly used in parts of Asia.