A report on Cannabis smoking

A man smoking cannabis in Kolkata, India
Sebsi, a Moroccan long-drawtube one-hitter.
A glass bong filled with water and its bowl packed with cannabis.
Spotting knives heating
Glass blades

Inhalation of smoke or vapor released by heating the flowers, leaves, or extracts of cannabis and releasing the main psychoactive chemical, Δ9-tetrahydrocannabinol (THC), which is absorbed into the bloodstream via the lungs.

- Cannabis smoking
A man smoking cannabis in Kolkata, India

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Overall

Close-up of flowering cannabis plant

Cannabis (drug)

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Psychoactive drug from the Cannabis plant.

Psychoactive drug from the Cannabis plant.

Close-up of flowering cannabis plant
Main short-term physical effects of cannabis
A joint prior to rolling, with a paper handmade filter on the left
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.
Types of cannabis
A macro cannabis bud
Present-day map of the Jirzankal Cemetery, site of the earliest evidence of cannabis smoking
Cannabis sativa from Vienna Dioscurides, c. 512 CE
Anti-Cannabis propaganda from 1935
Cannabis indica fluid extract, American Druggists Syndicate (pre-1937)
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.
countries that have legalized medical use of cannabis
Example of a container and the recreational cannabis purchase in Canada.
Woman selling cannabis and bhang in Guwahati, Assam, India
Dried flower buds (marijuana)
A gram of kief
Hashish
Hash oil
Infusion (dairy butter)

Cannabis can be used by smoking, vaporizing, within food, or as an extract.

A vaporization heat wand and vaporization chamber bowl used to deliver vapor through a water pipe

Vaporizer (inhalation device)

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Device used to vaporize substances for inhalation.

Device used to vaporize substances for inhalation.

A vaporization heat wand and vaporization chamber bowl used to deliver vapor through a water pipe
Various types of electronic cigarettes.
Vaporizer with water-cooling
A conduction-style vaporizer
A passive-convection "vaporization pipe" with flame filter
A portable radiation vaporiser
A Storz & Bickel Volcano, a forced-air vaporizer. The detachable balloon (top) fills with vapors that are then inhaled

Vaporizing is more efficient than smoking, because approximately 30% of THC in cannabis or hashish cigarettes is destroyed by pyrolysis during smoking.

An Italian-made chillum

Chillum (pipe)

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Straight conical smoking pipe traditionally made of clay or a soft stone .

Straight conical smoking pipe traditionally made of clay or a soft stone .

An Italian-made chillum
Traditional earthen chillum displayed for sale at Chawk Bazaar Jorhat, Assam
Darrel Mortimer holding 8 ft tattooed bamboo chillum

Thanks and praises are offered to Jah before smoking the chillum.

Detail of "Old Peasant Lighting a Pipe" by Johann Carl Loth (1655/1660)

Smoking pipe

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Used to inhale the smoke of a burning substance; most common is a tobacco pipe, which can also accommodate almost any other substance.

Used to inhale the smoke of a burning substance; most common is a tobacco pipe, which can also accommodate almost any other substance.

Detail of "Old Peasant Lighting a Pipe" by Johann Carl Loth (1655/1660)
"The Pipe-Smoking Snake",insignia of the Brazilian Expeditionary Force in WWII.

Bowl (smoking), pipes of various designs for smoking cannabis

Chalice.

Chalice (pipe)

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Chalice.

A chalice, also known as a wisdom chalice or chillum chalice, is a type of cannabis smoking pipe used most often by members of the Jamaican Rastafari movement.

A woman smoking a tobacco cigarette, the most common method of smoking

Smoking

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Practice in which a substance is burned and the resulting smoke is typically breathed in to be tasted and absorbed into the bloodstream.

Practice in which a substance is burned and the resulting smoke is typically breathed in to be tasted and absorbed into the bloodstream.

A woman smoking a tobacco cigarette, the most common method of smoking
A man smoking cannabis in Kolkata, India
A woman smoking crack cocaine
Aztec women are handed flowers and smoking tubes before eating at a banquet, Florentine Codex, 1500
A Persian girl smoking by Muhammad Qasim, 17th century.
Bonsack's cigarette rolling machine, as shown on U.S. patent 238,640
An illustration of an opium den on the cover of Le Petit Journal, 5 July 1903
A lengthy study conducted in order to establish the strong association necessary for legislative action (US cigarette consumption per person blue, male lung cancer rate green)
An elaborately decorated pipe
A diagram of the human body showing some of the diseases caused by smoking
A graph that shows the efficiency of smoking as a way to absorb nicotine compared to other forms of intake
Sigmund Freud, whose doctor assisted with his suicide because of oral cancer caused by smoking
Prevalence of daily smoking in 2012
The share adults who smoke any tobacco product on a daily or non-daily basis in 2016.
An Apothecary Smoking in an Interior by Adriaen van Ostade, oil on panel, 1646
Skull with a Burning Cigarette by Vincent van Gogh, oil on canvas, 1885
Film star and iconic smoker Humphrey Bogart
The cover of My Lady Nicotine: A Study in Smoke (1896) by J.M. Barrie, otherwise best known for his play Peter Pan
Share of deaths from smoking, 2017<ref>{{cite web |title=Share of deaths from smoking |url=https://ourworldindata.org/grapher/share-deaths-smoking |website=Our World in Data |access-date=5 March 2020}}</ref>
The number of deaths attributed to smoking per 100,000 people in 2017<ref>{{cite web |title=Death rate from smoking |url=https://ourworldindata.org/grapher/death-rate-smoking?tab=map |website=Our World in Data |access-date=5 March 2020}}</ref>
Average price of a pack of 20 cigarettes, measured in international dollars in 2014.<ref>{{cite web |title=Average price of a pack of cigarettes |url=https://ourworldindata.org/grapher/average-price-of-a-pack-of-cigarettes |website=Our World in Data |access-date=5 March 2020}}</ref>
Taxes as a share of cigarette price, 2014<ref>{{cite web |title=Taxes as a share of cigarette price |url=https://ourworldindata.org/grapher/taxes-as-share-of-cigarette-price |website=Our World in Data |access-date=5 March 2020}}</ref>
Types of bans on tobacco advertising, 2014<ref>{{cite web |title=Enforcement of bans on tobacco advertising |url=https://ourworldindata.org/grapher/enforcement-of-bans-on-tobacco-advertising |website=Our World in Data |access-date=5 March 2020}}</ref>
Support to help quit tobacco use, 2014<ref>{{cite web |title=Support to help quit tobacco use |url=https://ourworldindata.org/grapher/support-to-help-to-quit-tobacco-use |website=Our World in Data |access-date=5 March 2020}}</ref>

Less common drugs for smoking include cannabis and opium.

A man smoking cannabis in Kolkata, India

Cannabis consumption

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A man smoking cannabis in Kolkata, India
Sebsi, a Moroccan long-drawtube one-hitter.
A Volcano forced-air vaporizer. The balloon, at top, fills with vapors and particulates, and can then be detached and inhaled from.
A vaporization pipe with flame filter. 
28. Insert cannabis, other herbs or essential oils here 
36. Flame filter prevents flame from igniting herb which instead is heated to vaporization temperature.
Hash cakes or popularly known as space cakes are sold in coffeeshops.
Various types of cannabis foods on display in a shop window in Amsterdam
A bhang lassi (cannabis-infused drink) shop in Jaisalmer, Rajasthan
Aspergillus fumigatus

Cannabis consumption refers to the variety of ways cannabis is consumed, among which inhalation (smoking and vaporizing) and ingestion are most common.

Kief collected from a grinder with a screen

Kief

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Kief (from Moroccan Arabic كيف kīf, "Joy, pleasure" ), sometimes transliterated as keef, also known as ‘’Dust’’ and "Chief" a.k.a cannabis crystals among other names, refers to the pure and clean collection of loose cannabis trichomes, which are accumulated by being sifted from cannabis flowers or buds with a mesh screen or sieve.

Kief (from Moroccan Arabic كيف kīf, "Joy, pleasure" ), sometimes transliterated as keef, also known as ‘’Dust’’ and "Chief" a.k.a cannabis crystals among other names, refers to the pure and clean collection of loose cannabis trichomes, which are accumulated by being sifted from cannabis flowers or buds with a mesh screen or sieve.

Kief collected from a grinder with a screen
Kief collected from a sieve
Approximately one gram of screen-sifted cannabis trichomes, commonly referred to as kief
Kief collected from a coffee grinder

Traditionally, kief has been pressed into cakes of hashish for convenience in storage, although it can be vaporized or smoked in either form.

The bottle's lid

Gravity bong

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Method of consuming smokable substances such as cannabis.

Method of consuming smokable substances such as cannabis.

The bottle's lid
The bong, ready for operation
Diagram of bucket bong in operation
Diagram of waterfall bong in operation
A "lung" or "parachute bong" with the bag pulled out of the chamber.

The cause of the smoke being expelled by the bottle's movement is the rise in internal pressure, created when the water volume increases; the smoke enters the lungs in a "smoother" manner than inhaling from a joint, blunt, or bowl by itself.

Guitar slide made of borosilicate glass

Borosilicate glass

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Type of glass with silica and boron trioxide as the main glass-forming constituents.

Type of glass with silica and boron trioxide as the main glass-forming constituents.

Guitar slide made of borosilicate glass
Borosilicate beakers
Arc International bakeware

Specialty glass smoking pipes for cannabis and tobacco can be made from borosilicate glass.