MeSH tree: B01.875.800.575.912.250.859
Legalizing cannabis for both medical and recreational use may lead to a decline in daily opioid use among people who inject drugs in the United States, according to a new study led by a Boston University School of Public ...
Feb 6, 2026
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People born more recently are being diagnosed with psychotic disorders (e.g., schizophrenia) more often and at younger ages than people born earlier, suggests a large study of more than 12 million people in Ontario, published ...
Feb 2, 2026
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University of Texas at Arlington Professor Dana Litt contributed to a study led by Alex Russell, assistant professor at Harvard Medical School, that found many parents turn to online peer advice when facing concerns about ...
Jan 29, 2026
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In a study, published in Headache: The Journal of Head and Face Pain, researchers at University of California San Diego School of Medicine demonstrate for the first time in a placebo-controlled clinical trial that cannabis ...
Jan 28, 2026
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Although most teens don't use drugs or alcohol, some do: Adolescence is a time of exploration and risk-taking, and today's substances—from high-potency cannabis to counterfeit pills laced with fentanyl—are far more dangerous ...
Jan 12, 2026
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When Canada legalized cannabis in October 2018, there were many concerns about its potential impacts. One of them involved cannabis-impaired driving.
Dec 21, 2025
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US President Donald Trump signed an executive order Thursday to reclassify marijuana as a less dangerous drug, paving the way for more medical research on the use of cannabis products.
Dec 18, 2025
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People living in socially disadvantaged and regional areas of Australia are consuming significantly more cannabis than their counterparts in wealthier metropolitan towns and cities, a new study has found.
Dec 18, 2025
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Simultaneous use of cannabis with nicotine and tobacco products is common among cannabis users—particularly those who vape—according to a new study from Columbia University Mailman School of Public Health. The research also ...
Dec 16, 2025
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US President Donald Trump on Monday said his administration could push to loosen federal restrictions on marijuana, reclassifying it as a less dangerous drug.
Dec 16, 2025
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