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Since 2001, six EU countries have tightened their legislation on psilocybin mushrooms in response to concerns about their prevalence and increasing usage. [51] In the 1990s, hallucinogens and their effects on human consciousness were again the subject of scientific study, particularly in Europe.
Hallucinogens are a large and diverse class of psychoactive drugs that can produce altered states of consciousness characterized by major alterations in thought, mood, and perception as well as other changes. [1] [2] Most hallucinogens can be categorized as either being psychedelics, dissociatives, or deliriants. [2]
Highly selective serotonin 5-HT 2A receptor agonists have recently been developed and show stimulus generalization to psychedelics, whereas selective serotonin 5-HT 2C receptor agonists do not do so. [82] The head-twitch response (HTR) is induced by serotonergic psychedelics and is a behavioral proxy of psychedelic-like effects in animals.
Nicholas Schou's book Orange Sunshine: The Brotherhood of Eternal Love and Its Quest to Spread Peace, Love, and Acid to the World describes one such group, the Brotherhood of Eternal Love. The group was a major American LSD trafficking group in the late 1960s and early 1970s.
Ibogaine is a psychoactive indole alkaloid obtained either by extraction from plants in the family Apocynaceae such as Tabernanthe iboga, Voacanga africana, and Tabernaemontana undulata or by semi-synthesis from the precursor compound voacangine, another plant alkaloid.
In 2007, a paper by Redhead et al. proposed conserving the genus Psilocybe with Psilocybe semilanceata as its type species. [5] The suggestion was accepted by unanimous vote of the Nomenclature Committee for Fungi of the International Botanical Congress in 2010, meaning that P. semilanceata (a member of the bluing clade) now serves as the type species of the genus. [6]
This is a list of investigational hallucinogens and entactogens, or hallucinogens and entactogens that are currently under formal development for clinical use but are not yet approved. [ 1 ] Chemical/generic names are listed first, with developmental code names, synonyms, and brand names in parentheses.
Worship varies greatly by location. In Santiago Atitlán, Maximón's effigy resides in a different household every year. His image is normally only taken out of this house during Holy Week, whereafter it will change households, but is on display year-round due to the popularity of pilgrimages. The effigy has special attendants that stay by the ...