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Hallucinogens approved for treating psychiatric disorders: what does the science say?

By Florian Naudet, Professeur en thérapeutique, Université de Rennes 1 - Université de Rennes

MDMA, psilocybin, ketamine derivatives, and other hallucinogens are authorised in certain countries to treat depression or post-traumatic stress disorder. What is the level of evidence?

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