Close-up of flowering cannabis plant
A dried cannabis flower
Main short-term physical effects of cannabis
The structural formula of tetrahydrocannabinol.
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
Difference between natural cannabinoids and THC A) THC B) CB-1 receptor C) Neurotransmitters D) Postsynaptic Receptors E) Cannabinoid.
Anti-Cannabis propaganda from 1935
A man smoking cannabis in Kolkata, India.
Cannabis indica fluid extract, American Druggists Syndicate (pre-1937)
Bloodshot eye.
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.
Aspergillus fumigatus.
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
Hash oil
Infusion (dairy butter)

The effects of cannabis are caused by chemical compounds in the cannabis plant, including 113 different cannabinoids such as tetrahydrocannabinol (THC) and 120 terpenes, which allow its drug to have various psychological and physiological effects on the human body.

- Effects of cannabis

Cannabis has various mental and physical effects, which include euphoria, altered states of mind and sense of time, difficulty concentrating, impaired short-term memory, impaired body movement (balance and fine psychomotor control), relaxation, and an increase in appetite.

- Cannabis (drug)
Close-up of flowering cannabis plant

2 related topics with Alpha


People with CHS often find some relief with hot baths or showers

Cannabinoid hyperemesis syndrome

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People with CHS often find some relief with hot baths or showers

Cannabinoid hyperemesis syndrome (CHS) is recurrent nausea, vomiting, and cramping abdominal pain that can occur due to prolonged, high-dose cannabis use.

The long-term and short-term effects of cannabis use are associated with behavioral effects leading to a wide variety of effects on the body systems and physiological states.

Cannabis and time perception

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The effect of cannabis on time perception has been studied with inconclusive results.

Reports of the effects of cannabis on time perception can be found first in arts and literature, and then in medical reports and studies.