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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.
Overall, research into the health effects of medical cannabis has been of low quality and it is not clear whether it is a useful treatment for any condition, or whether harms outweigh any benefit. [18] There is no consistent evidence that it helps with chronic pain and muscle spasms. [18]
Now, these benefits are by no means tried and true — there's still a lot of research to be done on the actual benefits of marijuana — but they are ripe for future study. First up, cancer.
The anticonvulsant effects provided by cannabidiol (Epidiolex) in people with certain forms of epilepsy do not appear to involve cannabinoid receptors. [4] A possible mechanism for the effects of cannabidiol on seizures is by affecting the neuronal movement of calcium in brain structures involved in the excessive electrical activity of seizures ...
Dr. Phil has given a lot of advice during his 17 years on daytime TV, but his recent comments on marijuana drew outrage from some viewers. The talk show host, whose real name is Phil McGraw, made ...
It is a short-day flowering plant, with staminate (male) plants usually taller and less robust than pistillate (female or male) plants. [4] [5] The flowers of the female plant are arranged in racemes and can produce hundreds of seeds. Male plants shed their pollen and die several weeks prior to seed ripening on the female plants.