Abstract Although it has been published during the last 15 years that hallucinogens derived from new psychoactive substances are increasingly abused, the old psychedelic agents are still used. Among these vegetal compounds, magic mushrooms are frequently mentioned. The major ingredient of the Psilocybe species is psilocybin, which is rapidly converted into psilocin in the human body. Therefore,...
For 40 years, hair tests have been presented as the best approach to document long-term consumption of a drug. This unique property has found numerous applications in clinical, forensic, and occupational toxicology. However, since the beginning of its implementation in biology, external contamination, with an associated risk of false positive result, has been presented as the key in the final...