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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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Expiration of Psychoactive Substances: Chemical Stability and Storage

An analysis of the shelf life of illicit drugs, molecular degradation processes, and the real impact of storage on potency and safety.

Mummies as Drugs: Anatomy of a Psychonautic Hoax

A rumor persists that mummies were consumed for their psychoactive effects. We trace the origin of this hoax: a mistranslation of "drug" as "narcotic" rather than "medicine."

Celtas Cortos: Celtic Music, Rock, and Cannabis Culture

This month, we have the pleasure of interviewing the Valladolid-based group Celtas Cortos, one of the most important and iconic bands on the national scene over the last two decades. The ensemble led by Jesús Cifuentes presents “40 de Abril,” their sixteenth album—a carefully crafted work composed of twelve original tracks, fusing Celtic sounds with rock rhythms.

Ketamine Risks: Cystitis, Dependence, and the K-Hole

Recreational ketamine use is associated with cystitis, kidney damage, dependence, and extreme dissociation (the "K-hole"). Real risks and harm reduction.

Ergot: Poison, Entheogen, and Medicine

 

In previous installments, we discussed ergot, a fungus that parasitizes certain cereals and enabled the discovery of LSD and the synthesis of highly useful drugs (see Spannabis Magazine No. 51 and No. 52). Now, we will focus on botanical, medical, and pharmacological aspects, exploring how this fungus has played a starring role in various historical moments.

 

 

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