Caffeine, nicotine, cannabis, and psilocybin: Pharmacology, toxicology, and potential therapeutic uses of four naturally occurring psychoactive substances. Swiss Med Wkly [Internet]. 2025 Jul. 1 [cited 2026 Jan. 15];155(7):4346. Available from: https://www.smw.ch/index.php/smw/article/view/4346