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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.
Ultimately, the researchers concluded that the people who really should be avoiding marijuana smoking altogether are those with pre-existing heart disease, estimated at 1 in 20 Americans.
What's not clear is whether the heart risks are from smoking or if it’s the THC in weed that could be harmful. ... “It’s certainly not as bad as tobacco smoke, which kills 480,000 people a ...
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.
Cannabis smoking (known colloquially as smoking weed or smoking pot) is the inhalation of smoke or vapor released by heating the flowers, leaves, or extracts of cannabis and releasing the main psychoactive chemical, Δ 9-tetrahydrocannabinol (THC), which is absorbed into the bloodstream via the lungs.
Smoke is one key reason for the association between smoking weed and head and neck cancers, experts say. Smoking tobacco doubles the risk of developing head and neck squamous cell carcinoma ...
Marijuana use is at an all-time high in the United States. In the past decade alone, Americans' reported marijuana smoking has more than doubled, increasing from 7% to 13% from 2013 to 2023 ...
The psychoactive component of cannabis, tetrahydrocannabinol (THC) is not effective in treating emotion-regulation and anxiety-related symptoms. [20] Conversely, THC has been empirically related to an increase anxiety symptoms through impacts on neurological areas impacting serotonin, noradrenalin, GABA and glutamate.