ObjectiveThe purpose of this article is to provide an overview of the current research on hallucinogen induced psychiatric disorders. In addition to LSD and psilocybin hallucinogens of biologic origin are increasingly used by adolescents and young adults.MethodsRelevant literature and related articles were identified by means of a computerized MEDLINE search...
Two young men, 25 and 32 years old, presented with severe automutilation by knife wounds after consumption of hallucinogenic mushrooms. The first patient had also used cocaine, cannabis and alcohol, while the second patient had only used the hallucinogenic mushrooms. Both patients were treated symptomatically and survived despite their severe stab wounds. Ps...
Psilocybe semilanceata belongs to the genus of Psilocybe; it is a hallucinogenic fungus, frequently found in regions with high rainfall, in the grass and moss. There are estimated to be as many as eight Psilocybe hallucinogenic species containing psychoactive alkaloids, such as psilocybin and psilocin, which may cause visual, auditory and other hallucination...
Patients with schizophrenia exhibit diminished prepulse inhibition (PPI) of the acoustic startle reflex and deficits in the attentional modulation of PPI. Pharmacological challenges with hallucinogens are used as models for psychosis in both humans and animals. Remarkably, in contrast to the findings in schizophrenic patients and in animal hallucinogen model...
AimsTo describe and assess trends in the use of hallucinogens and other adjunct drugs over a 5-year period.DesignRepeated-measures cross-sectional survey.Setting and participantsAnnual magazine-based survey targeting people who use drugs in dance contexts.MeasurementsLifetime use prevalence (ever used); age of first use; current use prevalence (any use withi...
RationaleAlthough psilocybin has been used for centuries for religious purposes, little is known scientifically about its acute and persisting effects.ObjectivesThis double-blind study evaluated the acute and longer-term psychological effects of a high dose of psilocybin relative to a comparison compound administered under comfortable, supportive conditions....
Simultaneous polysubstance use (SPU) is a common phenomenon, yet little is known about how various substances are used with one another. In the present study 149 drug-using university students completed structured interviews about their use of various substances. For each substance ever used, participants provided details about the type, order and amount of ...
Psychedelic drugs such as LSD and psilocybin are often claimed to be capable of inducing life-changing experiences described as mystical or transcendental, especially if high doses are taken. The present study examined possible enduring effects of such experiences by comparing users of psychedelic drugs (n = 88), users of nonpsychedelic illegal drugs (e.g., ...
"Magic mushroom (MM)" is the name most commonly given to psychoactive fungi containing the hallucinogenic components: psilocin (1) and psilocybin (2). We investigated the rRNA gene (internal transcribed spacer (ITS) and large subunit (LSU)) of two Panaeolus species and four Psilocybe species fungi (of these, two are non-psilocybin species). On the basis of s...
Substance abuse is a major health and behavioral concern in college students. Alcohol and marijuana are the most commonly abused drugs on college campuses. Others include tobacco, 3,4-methylenedioxymethamphetamine, gamma-hydroxybutyrate, flunitrazepam (Rohypnol), lysergic acid, ketamine, methamphetamine, phencyclidine, cocaine, and psilocybin mushrooms. This...
Recreational Ecstasy/MDMA (3,4-methylenedioxymethamphetamine) users often take a variety of psychoactive drugs, but there is little empirical data on how these drug consumption patterns change with greater experience of Ecstasy. The aim of this study was to compare the polydrug usage patterns reported by non-Ecstasy users, novice Ecstasy users, moderate Ecst...
This study was performed on a representative sample of the Danish population in order to investigate the connection to the use of psychoactive drugs and quality of life (QOL) by way of a questionnaire-based survey. The questionnaire was mailed in February 1993 to 2,460 persons aged between 18 and 88, randomly selected from the CPR (Danish Central Register), ...
Psilocybin (4-phosphoryloxy-N,N-dimethyltryptamine) is the major psychoactive alkaloid of some species of mushrooms distributed worldwide. These mushrooms represent a growing problem regarding hallucinogenic drug abuse. Despite its experimental medical use in the 1960s, only very few pharmacological data about psilocybin were known until recently. Because of...
ObjectiveThis study investigates the drug consumption patterns of a sample of rave attendees in the city of Montreal, Quebec, and seeks to identify the prevalence of 3,4-methylendioxymethamphetamine (MDMA) and other drug use in this population.MethodWe administered a self-report questionnaire to 210 respondents. For various licit and illicit substances, part...
AimsTo describe the patterns of drug use at dance (rave) events in terms of prevalence, frequency, type of drugs used, patterns of use, access and risk-associated behaviours.DesignSelf-selecting participant-completed survey.SettingThree dance events in Edinburgh, Scotland, UK.ParticipantsOne hundred and twenty-two drug users (57% males, 43% females), 90% of ...
Substances capable of changing the functions of the central nervous system are widely distributed in plant kingdom, and many of them were discovered by ancient food-gatherers at the dawn of humanity. In the Old World only a few substances producing euphoria or altered states of consciousness and having habit-forming properties are still widely used. They are...
'Magic mushrooms' is the name most commonly given to psychoactive fungi containing the hallucinogenic components psilocybin and psilocin. Material confiscated by local authorities was examined using morphologic, microscopic, microchemical, and toxicological methods. Psilocybe cubensis was the most popular mushroom in the sample collective, followed by Psiloc...
BackgroundDuring the 1990s, rates of nonmedical drug use among adolescents escalated. We assessed data from 5 cycles of the Ontario Student Drug Use Survey for overall trends in the proportion of students reporting illegal drug use between 1991 and 1999.MethodsThe survey is a repeated, cross-sectional, 2-stage cluster-design survey of students enrolled in gr...
Abuse of natural products was frequently noticed among young patients with multiple substance abuse. 180 patients of a rehabilitation clinic for young addicts filled out a questionnaire regarding their regularly consumed drugs. Ayahuasca and cactus, the natural drugs of the 70's are rarely found. The patients frequently consumed psilocybin, amanita and datur...
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