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Cannabis

Similar term(s): marijuana, grass, pot, weed, hashish.

Definition:

A generic term for several psychoactive preparations of the marijuana (hemp) plant, Cannabis sativa. They include marijuana leaf (in street jargon: grass, pot, dope, weed, or reefers), bhang, ganja, or hashish (derived from the resin of the flowering heads of the plant), and hashish oil.

Cannabis can be rolled with tobacco in a spliff or joint, smoked on its own in a pipe or bong, or eaten as part of a cake or cookie.

Cannabis intoxication produces a feeling of euphoria, lightness of the limbs, and often social withdrawal. It impairs driving and the performance of other complex, skilled activities; it impairs immediate recall, attention span, reaction time, learning ability, motor co-ordination, depth perception, peripheral vision, time sense (the individual typically has a sensation of slowed time), and signal detection. Other signs of intoxication may include excessive anxiety, suspiciousness or paranoid ideas in some and euphoria or apathy in others, impaired judgement, bloodshot eyes, increased appetite, dry mouth, abnormally rapid heart rate, as well a feeling of tiredness and lack of energy.

Although it is mostly quite mild, some forms of cannabis such as skunk are very strong and smokers can have a hallucinogenic reaction.

There are reports of cannabis use precipitating a relapse in schizophrenia. Acute anxiety and panic states and acute delusional states have been reported with cannabis intoxication; they usually remit within several days.

Source: GreenFacts, based on WHO Lexicon of alcohol and drug terms 

More:

Long-term use may result in long-lasting reduction of mental capacity and may make mental illness worse

Source: GreenFacts Digest

Cannabis plant Cannabis plant

Source: US Fish and Wildlife Service Marijuana  (public domain)

Related words:

Hallucinogen

To read about this term in context:

GreenFacts Summary on Psychoactive Drugs Tobacco, Alcohol, and Illicit Substances:

Translation(s):

Español: Cannabis
Français: Cannabis
Nederlands: Cannabis

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