MeSH tree: B01.875.800.575.912.250.859
Psychedelic drugs are being investigated as scientific and clinical tools, but the brain mechanisms behind their effects remain unclear. Earlier brain imaging studies in small cohorts from single centers produced inconsistent ...
Apr 6, 2026
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The recreational drugs cannabis, cocaine and amphetamines significantly increase the risk of stroke—including among younger users—Cambridge researchers have concluded after analyzing data from more than 100 million people.
Mar 8, 2026
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Kennon Heard, MD, Ph.D., was skeptical when he first heard about cases in emergency departments of severe, recurring episodes of nausea and vomiting associated with chronic use of marijuana. In 2004, Australian researchers ...
Feb 27, 2026
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People born during the few years either side of 2000 are seemingly more vulnerable to conditions such as schizophrenia than those who grew up earlier, going by findings released by the Canadian Medical Association.
Feb 23, 2026
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Adolescents who use cannabis could face a significantly higher risk of developing serious psychiatric disorders by young adulthood, according to a large study published in JAMA Health Forum. The longitudinal study followed ...
Feb 20, 2026
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The urgent onset of "the munchies" after cannabis use isn't imaginary—it's a cognitive response that occurs regardless of sex, age, weight or recent food consumption and could offer clues to help people struggling with appetite ...
Feb 19, 2026
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A study led by researchers at University of California San Diego School of Medicine reveals higher rates of substance use among all non-heterosexual groups in the U.S., including people who are uncertain of or who use different ...
Feb 18, 2026
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The legalization of cannabis and the start of retail sales of the drug in the US are linked to both a rise in its recreational use and concurrent use of tobacco, as well as a fall in sole tobacco use, finds an analysis of ...
Feb 9, 2026
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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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