A report on CannabisCannabis (drug) and Hash oil

Close-up of flowering cannabis plant
One form of hash oil
Cannabis growing as weeds at the foot of Dhaulagiri, Nepal.
Main short-term physical effects of cannabis
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.
A thicket of wild cannabis in Islamabad, Pakistan.
A joint prior to rolling, with a paper handmade filter on the left
Full extract oil in an oral syringe.
Cannabis female flower with visible trichomes
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.
Hash oil produced using a hydrocarbon like butane in California, referred to as shatter, due to its very thick and glass-like consistency
Male Cannabis flower buds
Types of cannabis
Full spectrum hash rosin that has been placed in a jar for sale.
Underside of Cannabis sativa leaf, showing diagnostic venation
A macro cannabis bud
Hash oil being purged of excess butane which forms bubbles as the solvent evaporates
Top of Cannabis plant in vegetative growth stage
Present-day map of the Jirzankal Cemetery, site of the earliest evidence of cannabis smoking
Butane honey oil
Relative size of varieties of Cannabis
Cannabis sativa from Vienna Dioscurides, c. 512 CE
Cannabis ruderalis
Anti-Cannabis propaganda from 1935
Comparison of physical harm and dependence regarding various drugs
Cannabis indica fluid extract, American Druggists Syndicate (pre-1937)
A dried bud, typical of what is sold for recreational use
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.
Commercial cannabis extract
countries that have legalized medical use of cannabis
Cannabis sativa stem longitudinal section
Example of a container and the recreational cannabis purchase in Canada.
Cannabis Museum in Amsterdam
Woman selling cannabis and bhang in Guwahati, Assam, India
Cannabis leaf pictured in the coat of arms of Kanepi Parish
Dried flower buds (marijuana)
A male hemp plant
A gram of kief
Dense raceme of female flowers typical of drug-type varieties of Cannabis
Root system side view
Hash oil
Root system top view
Infusion (dairy butter)
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

Various compounds, including hashish and hash oil, are extracted from the plant.

- Cannabis

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

- Hash oil

Capsules, typically containing cannabis oil, and other dietary supplement products, for which some 220 were approved in Canada in 2018.

- Cannabis (drug)

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.

- Hash oil

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


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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 solvent is then evaporated, or boiled off (purged) leaving behind the desirable resins, called honey oil, "hash oil", or just "oil".