MeSH tree: D02.455.849.090.810
Using marijuana just once or twice a month was associated with worse school performance and emotional distress for teens, according to a large national study of adolescents led by Ryan Sultán, an assistant professor of clinical ...
Dec 23, 2025
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A new systematic evidence review finds that cannabis products that carry relatively high levels of the psychoactive compound tetrahydrocannabinol, commonly known as THC, may provide short-term improvements in pain and function.
Dec 22, 2025
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More than 75% of recreational cannabis users aged 19 to 30 crashed in a driving simulation after consuming edibles, a new University of Saskatchewan (USask) study shows.
Dec 11, 2025
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With cannabis-related vehicle crashes on the rise, a new study suggests that prevention campaigns shouldn't focus just on young people.
Dec 9, 2025
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In November 2018, retailers in Massachusetts began selling recreational cannabis to adults 21 years and older. A study by investigators from Mass General Brigham found that, after commercialization, rates of cannabis use ...
Dec 3, 2025
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A major change to hemp rules is now the law and producers warn it could shut down much of the $28 billion industry.
Nov 18, 2025
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McGill University researchers at the Douglas Research Center have found evidence that heavy cannabis use during pregnancy can cause delays in brain development in the fetus that persist into adulthood.
Nov 18, 2025
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The government's new mandate to carry out random oral-fluid roadside drug testing marks a milestone in New Zealand's road safety policy.
Nov 16, 2025
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A new study demonstrates that many regular marijuana users exceed legal blood cannabis limits for U.S. drivers despite showing no evidence of impairment.
Nov 13, 2025
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While vaping has been touted by manufacturers as a safer smoking alternative, the public health community is careful to point out the risks. Since the introduction of e-cigarettes to the U.S. in 2007, vaping has taken hold ...
Nov 6, 2025
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