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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.
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.
Cannabis use has increased significantly around the world. Past research shows that regular cannabis use can increase a person’s risk for several health concerns, including risk factors for ...
Accoridng to scientists, marijuana addiction is real, but it is not the same as other drugs.
The short-term effects of cannabis can be altered if it has been laced with opioid drugs such as heroin or fentanyl. [163] The added drugs are meant to enhance the psychoactive properties, add to its weight, and increase profitability, despite the increased danger of overdose. [164] [d]
Also, the advent of the hypodermic syringe allowed these drugs to be injected for immediate effect, in contrast to cannabis which is not water-soluble and therefore cannot be injected. [ 87 ] In the United States, the medical use of cannabis further declined with the passage of the Marihuana Tax Act of 1937 , which imposed new regulations and ...
Photo Illustration by Thomas Levinson/The Daily Beast/Getty; Biwer et al.Throughout the Andes, stretching skyward from dry tropical rainforests, is an inconspicuous tree that can turn your mind ...