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Sidestream smoke is smoke which goes into the air directly from a burning cigarette, cigar, or smoking pipe. [ 1 ] Sidestream smoke is the main component (around 85%) of second-hand smoke (SHS), also known as Environmental Tobacco Smoke (ETS) or passive smoking. [ 2 ] The relative quantity of chemical constituents of sidestream smoke are ...
Cannabis. 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.
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.
Tar (tobacco residue) Tar is the name for the resinous, combusted particulate matter made by the burning of tobacco and other plant material in the act of smoking. Tar is toxic and damages the smoker's lungs over time through various biochemical and mechanical processes. [ 1 ] Tar also damages the mouth by rotting and blackening teeth, damaging ...
Historical laws. Cannabis in California has been legal for medical use since 1996, and for recreational use since late 2016. The state of California has been at the forefront of efforts to liberalize cannabis laws in the United States, beginning in 1972 with the nation's first ballot initiative attempting to legalize cannabis (Proposition 19).
Cannabis in Virginia is legal for medical use and recreational use. The first medical marijuana dispensary opened in August 2020, [1] and adult recreational use became legalized in July 2021. [2][3] In April 2020, Virginia Governor Ralph Northam approved a bill to decriminalize simple marijuana possession, which took effect July 2020.
2012: medical marijuana legalized when Question 3 passed by 60%. [98] [99] 2016: legalized recreational marijuana when Question 4 passed by 54%. [100] Michigan: Legal to possess up to 2.5 oz (71 g) in public or 10 oz (280 g) at home Legal to possess up to 2.5 oz (71 g) Legal for recreational use up to an amount of 12 plants per household. [101
Cannabis sativa is an annual herbaceous flowering plant. The species was first classified by Carl Linnaeus in 1753. [ 1 ] The specific epithet sativa means 'cultivated'. Indigenous to Eastern Asia, the plant is now of cosmopolitan distribution due to widespread cultivation. [ 2 ]