Science Letters
April 17, 2026
Francisco Sacadura, Cláudia Marques, Andreia Machado Brito-Da-Costa et al.
Background: Psilocybin, the main psychoactive compound found in Psilocybe mushrooms, has gained increasing attention due to its potential therapeutic effects in neuropsychiatric disorders [1]. Beyond its central effects, increasing evidence highlights the relevance of the gut–brain axis, suggesting that psychedelics may also influence intestinal microbiota composition. Whole mushroom extracts...
Science Letters
April 17, 2026
Diana Dias Da Silva, Andreia Machado Brito-Da-Costa, Francisco Sacadura et al.
Background: Psilocybin, a key psychoactive compound found in Psilocybe mushrooms, has gained increasing attention due to its therapeutic potential in neuropsychiatric disorders [1]. However, comparative preclinical data between isolated psilocybin and whole mushroom extracts remain scarce, particularly regarding behavioural reinforcement and peripheral toxicity [2,3]. Objective: To compare the...
Science Letters
April 17, 2026
Beatriz P. Senra, Ricardo Jorge Dinis-Oliveira, Carlos J. A. Ribeiro
Background: Psilocybe cubensis mushrooms contain the tryptamines psilocybin and psilocin, which are recognized for their therapeutic potential in mental health [1]. Additionally, due to their psychedelic effects, these mushrooms are also used for religious and recreational purposes. The increasing use of these tryptamines and other psychoactive substances has led to regulatory measures,...
Science Letters
April 11, 2026
Maria Eduarda Bertino Nahim Garcia, Ema Santos, Diana Dias Da Silva et al.
Background: Holding a relevant ritualistic and ethnomedicinal value among the Mesoamerican tribes, Tagetes lucida Cav. has recently seen its uses being translated into Western communities, primarily for recreational ends, given its psychoactivity. Despite the new popularity resurgence of entheogens, the available data concerning this plant’s pharmacological and safety profile remain scarce...