A report on Cannabis (drug) and Cannabis

Close-up of flowering cannabis plant
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
Types of cannabis
Male Cannabis flower buds
A macro cannabis bud
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
Relative size of varieties of Cannabis
Anti-Cannabis propaganda from 1935
Cannabis ruderalis
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
Commercial cannabis extract
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 Museum in Amsterdam
Dried flower buds (marijuana)
Cannabis leaf pictured in the coat of arms of Kanepi Parish
A gram of kief
A male hemp plant
Hashish
Dense raceme of female flowers typical of drug-type varieties of Cannabis
Hash oil
Root system side view
Infusion (dairy butter)
Root system top view
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
Close-up of flowering cannabis plant

6 related topics with Alpha

Overall

Tetrahydrocannabinol

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

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 (shown next to a U.S. penny for scale)

Hashish

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Hashish (shown next to a U.S. penny for scale)
1.5 grams pressed hashish
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.

The bracts surrounding a cluster of Cannabis sativa flowers are coated with cannabinoid-laden trichomes

Cannabinoid

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The bracts surrounding a cluster of Cannabis sativa flowers are coated with cannabinoid-laden trichomes
Cannabis indica plant
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.

One form of hash oil

Hash oil

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Oleoresin obtained by the extraction of cannabis or hashish.

Oleoresin obtained by the extraction of cannabis or hashish.

One form of hash oil
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.
Full extract oil in an oral syringe.
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
Butane honey oil

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.

White Widow

Cannabis strain

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White Widow
A flowering cannabis plant
Blue dream
Sour Diesel
Cannabis indica
Cannabis ruderalis
Cannabis sativa
Relative size of cannabis types

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.

Cloth embroidered by a person diagnosed with schizophrenia

Schizophrenia

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Mental disorder characterized by continuous or relapsing episodes of psychosis.

Mental disorder characterized by continuous or relapsing episodes of psychosis.

Cloth embroidered by a person diagnosed with schizophrenia
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.