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Psychedelics Guide

More than 500 articles organized by substance and topic: psilocybin, LSD, ayahuasca, DMT, MDMA, mescaline and harm reduction. Rigorous information, without fear and without propaganda.

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Psilocybin and Methamphetamine: How Brain Networks Reorganize

Psiconáutica Editorial Team · October 9, 2026 In briefA functional magnetic resonance imaging (fMRI) study compares the brains of people with methamphetamine use disorder before...

Common Drug Causes False-Positive MDMA Urine Test

Psiconáutica Editorial Team · October 9, 2026 In briefThree patients admitted in Algiers tested positive for MDMA on a rapid urine screen despite no consumption;...

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Opium in Ancient Egypt: Medicine, Ritual, and Trade

Our knowledge of opium use in ancient Egypt comes primarily from the Ramesseum (1900 BCE), Kahun (1850 BCE), and Ebers (1550 BCE) papyri.

Burundanga: Between Media Myth and Toxicological Reality

A critical analysis of burundanga. Deconstructing myths of chemical submission and loss of free will against scientific, epidemiological, and forensic data.

The Forgotten Entheogens of Old Mediterranean Europe

Dir. Societat d’Etnopsicologia Aplicada i Estudis Cognitius
Much has been written about visionary substances and shamanic traditions across the Americas. Yet, little is said about our own traditional Mediterranean societies. Here, too, there was an abundant use of phytochemical resources to intentionally alter states of consciousness, mirroring the shamanic traditions that anthropologists study today in other continents.

Sacred or Frivolous? The Myth of the Strictly Ritual Psychedelic

José Carlos Bouso (ICEERS) dismantles the idea that psychedelics are only for sacred rituals, reclaiming collective trance as a social medicine.

Cold Soups and Edible Cannabis: A Critical Look

Summer is approaching; in Spain, the habit of consuming gazpacho and/or salmorejo is part of our gastronomic identity. Popular wisdom has developed countless variations of these wise and healthy recipes over centuries.

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