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A dried cannabis flower. The short-term effects of cannabis are caused by many chemical compounds in the cannabis plant, including 113 [clarification needed] different cannabinoids, such as tetrahydrocannabinol, and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.
Over time, the marijuana gateway hypothesis has been studied more and more. In one published study, the use of marijuana was shown not a reliable gateway cause of illicit drug use. [67] However, social factors and environment influence drug use and abuse, making the gateway effects of cannabis different for those in differing social circumstances.
Cannabis consumption has both psychoactive and physiological effects. [21 ... Investigators have suggested that this is an important factor in marijuana's effects ...
The earliest systematic studies of physiological effects of cannabis-derived chemical were conducted in the 1920's (see Fig. The number of publications about marijuana/cannabis). The level or research activity in this area remained relatively low and constant until 1966, when a 10-fold increase in publication activity occurred within 10 years.
A survey of American adults found that many erroneously believe it is safer for the lungs to smoke weed than tobacco, and that any secondhand smoke from marijuana is also safer.
Cannabis (/ˈkænəbɪs/) is commonly known as marijuana or hemp and has two known strains: Cannabis sativa and Cannabis indica, both of which produce chemicals to deter herbivory. The chemical composition includes specialized terpenes and cannabinoids, mainly tetrahydrocannabinol (THC), and cannabidiol (CBD). These substances play a role in ...
The endocannabinoid system, broadly speaking, includes: Endocannabinoids, which are the physiological ligands, or connecting substances, for the cannabinoid receptors.The main endocannabinoids are anandamide (N-arachidonoylethanolamide) and 2-AG (2-arachidonoylglycerol), which are in the same class of chemical compounds, called N-acylethanolamines (NAEs).
Cannabis also has a long history of being used for medicinal purposes, and as a recreational drug known as marijuana or weed. Various cannabis strains have been bred, often selectively to produce high or low levels of tetrahydrocannabinol (THC), a cannabinoid and the plant's principal psychoactive constituent .
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