A report on Cannabis (drug) and Cannabis

Main short-term physical effects of cannabis

Cannabis growing as weeds at the foot of Dhaulagiri, Nepal.

A joint prior to rolling, with a paper handmade filter on the left

A thicket of wild cannabis in Islamabad, Pakistan.

Addiction experts in psychiatry, chemistry, pharmacology, forensic science, epidemiology, and the police and legal services engaged in delphic analysis regarding 20 popular recreational drugs. Cannabis was ranked 11th in dependence, 17th in physical harm, and 10th in social harm.

Cannabis female flower with visible trichomes

Underside of Cannabis sativa leaf, showing diagnostic venation

Present-day map of the Jirzankal Cemetery, site of the earliest evidence of cannabis smoking

Top of Cannabis plant in vegetative growth stage

Cannabis sativa from Vienna Dioscurides, c. 512 CE

Cannabis indica fluid extract, American Druggists Syndicate (pre-1937)

Comparison of physical harm and dependence regarding various drugs

Process of making bhang in a Sikh village in Punjab, India. On the Hindu and Sikh festival of colors called Holi, it is a customary addition to some intoxicating drinks.

A dried bud, typical of what is sold for recreational use

countries that have legalized medical use of cannabis

Example of a container and the recreational cannabis purchase in Canada.

Cannabis sativa stem longitudinal section

Woman selling cannabis and bhang in Guwahati, Assam, India

Cannabis leaf pictured in the coat of arms of Kanepi Parish

Dense raceme of female flowers typical of drug-type varieties of Cannabis

Micrograph C. sativa (left), C. indica (right)

Cannabis, also known as marijuana among other names, is a psychoactive drug from the Cannabis plant.

- Cannabis (drug)

Cannabis has long been used for hemp fibre, hemp seeds and their oils, hemp leaves for use as vegetables and as juice, medicinal purposes, and as a recreational drug.

- Cannabis

6 related topics with Alpha

Tetrahydrocannabinol

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Principal psychoactive constituent of cannabis and one of at least 113 total cannabinoids identified on the plant.

Although the chemical formula for THC (C21H30O2) describes multiple isomers, the term THC usually refers to the Delta-9-THC isomer with chemical name (−)-trans-Δ9-tetrahydrocannabinol. Like most pharmacologically active secondary metabolites of plants, THC is a lipid found in cannabis, assumed to be involved in the plant's evolutionary adaptation, putatively against insect predation, ultraviolet light, and environmental stress.

THC is an active ingredient in Nabiximols, a specific extract of Cannabis that was approved as a botanical drug in the United Kingdom in 2010 as a mouth spray for people with multiple sclerosis to alleviate neuropathic pain, spasticity, overactive bladder, and other symptoms.

Hashish

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Blood-shot eyes are a sign of cannabis use.

Sebsi, a Moroccan long-drawtube one-hitter

Trichomes isolated with ice-water extraction method

Hashish (حشيش, ), also known as hash, "dry herb, hay" is a drug made by compressing and processing parts of the cannabis plant, typically focusing on flowering buds (female flowers) containing the most trichomes.

Cannabinoid

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Anandamide, an endogenous ligand of CB1 and CB2

Cannabinoids are compounds found in the cannabis plant or synthetic compounds that can interact with the endocannabinoid system. The most notable cannabinoid is the phytocannabinoid tetrahydrocannabinol (THC) (Delta-9-THC), the primary intoxicating compound in cannabis.

Hash oil

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Oleoresin obtained by the extraction of cannabis or hashish.

Dabbing hash oil. The clear quartz bucket has been heated using a torch and the hash rosin placed within (seen melted as the small amber puddle). The glass cap (upper left of frame) is placed on top and creates a low pressure zone in the bucket, allowing the material to vaporize at a lower temperature than the ambient atmosphere. The vapor is then directed through a water pipe to further cool before inhalation.

Hash oil produced using a hydrocarbon like butane in California, referred to as shatter, due to its very thick and glass-like consistency

Full spectrum hash rosin that has been placed in a jar for sale.

Hash oil being purged of excess butane which forms bubbles as the solvent evaporates

Hash oil is produced by solvent extraction (maceration, infusion or percolation) of marijuana or hashish.

While health issues of the lungs may be exacerbated by use of hash oil, it is not known to cause side effects not already found in other preparations of cannabis.

Cannabis strain

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Cannabis strains are either pure or hybrid varieties of the plant genus Cannabis, which encompasses the species C. sativa, C. indica, and C. ruderalis.

The Cannabis strains referred to in this article are primarily those varieties with recreational and medicinal use.

Schizophrenia

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Mental disorder characterized by continuous or relapsing episodes of psychosis.

My Eyes at the Moment of the Apparitions by German artist August Natterer, who had schizophrenia

Risperidone (trade name Risperdal) is a common atypical antipsychotic medication.

Deaths per million persons due to schizophrenia in 2012.

The term "schizophrenia" was coined by Eugen Bleuler.

A molecule of chlorpromazine, the first antipsychotic developed in the 1950s

John Nash, an American mathematician and joint recipient of the 1994 Nobel Memorial Prize in Economic Sciences, who had schizophrenia. His life was the subject of the 1998 book, A Beautiful Mind by Sylvia Nasar.

Possible environmental factors include being raised in a city, cannabis use during adolescence, infections, the ages of a person's mother or father, and poor nutrition during pregnancy.

About half of those with schizophrenia use recreational drugs, including cannabis, tobacco, and alcohol excessively.