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marihuana or marijuana A slang word for cannabis, the legal name in some jurisdictions. Marihuana 1936 American anti-marijuana propaganda film that depicts alcoholic drinks and cannabis use leading to tragedies, including pregnancy, police shootouts, and a gateway to heroin use and a life of crime. [See prohibition.] marijuana enthusiast
Most slang names for marijuana and hashish date to the jazz era, when it was called gauge, jive, reefer. Weed is a commonly used slang term for drug cannabis. New slang names, like trees, came into use early in the twenty-first century. [2] [3] [4]
Má, a Chinese name for hemp, predates written history and has been used to describe medical marijuana since at least 2700 BCE. It is the earliest recorded name. [48] [49] Hemp is recorded in the Book of Documents. [5] [26] Ma-kaña Bantu. [50] Maconha Portuguese. [51] Marijuana: Americanized Mexican Spanish.
A 2000 study by the US NIST [6] examined 12 chemical spot tests and concluded that all the tests examined "may indicate a specific drug or class of drugs is in the sample, but the tests are not always specific for a single drug or [class]". The study also noted that "mace, nutmeg and tea reacted with the modified Duquenois–Levine [test]".
Most cannabis drug tests yield a positive result when the concentration of THC-COOH in urine exceeds 50 ng/mL. [10] Urine testing is an immunoassay based test on the principle of competitive binding. Drugs which may be present in the urine specimen compete against their respective drug conjugate for binding sites on their specific antibody.
Laboratory experiments have shown that cannabinoids found in marijuana may have analgesic and anti-inflammatory effects. [23] In 2014, the American Academy of Neurology reviewed all available findings levering the use of marijuana to treat brain diseases. The result was that the scientific evidence is weak that cannabis in any form serves as ...
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Weed (surname) Weed (drug), a common slang word for the drug cannabis (see also List of slang names for cannabis) Weed (genus), a common slang word for plants in the genus Cannabis that produces the drug; Weeds Act 1959, an Act of the Parliament of the United Kingdom; Canopy Growth (TSX: WEED), Canadian cannabis company