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Psychoactive drugs, such as alcohol, caffeine, amphetamine, mescaline, lysergic acid diethylamide (LSD), cannabis, chloral hydrate, theophylline, IBMX and others, have been studied on certain animals. It is believed that plants developed caffeine as a chemical defense against insects.
Entheogenic drugs and the archaeological record; Hallucinogenic fish; List of plants used for smoking; List of psychoactive substances and precursor chemicals derived from genetically modified organisms; List of psychoactive substances derived from artificial fungi biotransformation; List of substances used in rituals; Medicinal fungi
Many psychoactive substances are used for their mood and perception altering effects, including those with accepted uses in medicine and psychiatry. Examples of psychoactive substances include caffeine, alcohol, cocaine, LSD, nicotine, cannabis, and dextromethorphan. [46] Classes of drugs frequently used recreationally include:
The following is a list of psychedelic drugs of various chemical classes, including both naturally occurring and synthetic compounds. Serotonergic psychedelics are usually considered the "classical" psychedelics [dubious – discuss], whereas the other classes are often seen as having only secondary psychedelic properties; nonetheless all of the compounds listed here are considered ...
Some synthetic substances like 4-AcO-DMT are thought to be prodrugs that metabolize into psychoactive substances that have been used as entheogens. While synthetic DMT and mescaline are reported to have identical entheogenic qualities as extracted or plant-based sources, the experience may wildly vary due to the lack of numerous psychoactive ...
Several non-human animal species are said to engage in apparent recreational drug use, that is, the intentional ingestion of psychoactive substances in their environment for pleasure, though claims of such behavior in the wild are often controversial. [1]
This is a list of plant species that, when consumed by humans, are known or suspected to produce psychoactive effects: changes in nervous system function that alter perception, mood, consciousness, cognition or behavior. Many of these plants are used intentionally as psychoactive drugs, for
The teratogenic effects of addictive substances are well documented, as is the fact that psychoactive substances are most harmful to individuals who are developmentally immature. Although this hypothesis remains untested, evidence in support comes from age at onset of drug use.