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e. Cannabis drug testing describes various drug test methodologies for the use of cannabis in medicine, sport, and law. Cannabis use is highly detectable and can be detected by urinalysis, hair analysis, as well as saliva tests for days or weeks. Unlike alcohol, for which impairment can be reasonably measured using a breathalyser (and confirmed ...
Cannabis concentrate, also called marijuana concentrate, marijuana extract, or cannabis extract, is a tetrahydrocannabinol (THC) and/or cannabidiol (CBD) concentrated mass. Cannabis concentrates contain high THC levels that range from 40% to over 90%, [1][2] stronger in THC content than high-grade marijuana, which normally measures around 20% ...
It is the principal psychoactive constituent of cannabis and one of at least 113 total cannabinoids identified on the plant. Although the chemical formula for THC (C 21 H 30 O 2) describes multiple isomers, [10] the term THC usually refers to the delta-9-THC isomer with chemical name (−)-trans-Δ9-tetrahydrocannabinol.
Cannabis, [ b ] also known as marijuana, [ c ]weed, pot, or hemp, among other names, is a non-chemically uniform drug from the cannabis plant. Native to Central or South Asia, the cannabis plant has been used as a drug for both recreational and entheogenic purposes and in various traditional medicines for centuries.
According to a 2022 Gallup survey, 16% of Americans reported being marijuana smokers (up from 7% in 2013) and 48% reported trying marijuana at some point in their lifetimes (up from 4% in 1969). [42] Medical use is a common reason people buy cannabis online.
A 2012 review of cannabis use and dependency in the United States by Danovitch et al said that "42% of persons over age 12 have used cannabis at least once in their lifetime, 11.5% have used within the past year, and 1.8% have met diagnostic criteria for cannabis abuse or dependence within the past year. Among individuals who have ever used ...
Marijuana smoke was listed as a cancer agent in California in 2009. [31] A study by the British Lung Foundation published in 2012 identifies cannabis smoke as a carcinogen and also finds awareness of the danger is low compared with the high awareness of the dangers of smoking tobacco particularly among younger users. Other observations include ...
The use of CBD to treat seizure disorders gained increased attention with a number of media reports in 2012 and 2013, and by the end of 2015 sixteen states had "low-THC, high-CBD" laws in effect. [2] Currently 10 states are considered to have low-THC, high-CBD laws. [1] These laws vary in THC content allowed all the way up to 5% in Georgia and ...