Using psychoactive substances for recreation, socialization or symptom self-management is common for many people living with multiple sclerosis. When used to self-manage symptoms, some psychoactive substances may provide ...
4 hours ago
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Adolescents in California consistently perceive cannabis as less harmful than other commonly used substances, according to a new study analyzing data from two large statewide school surveys. Shu-Hong Zhu, Ph.D., professor ...
May 6, 2026
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Researchers from University of California San Diego have found that microdosing—taking very small amounts of psychoactive substances—is more common among U.S. adults than previously recognized, with cannabis leading by a ...
May 4, 2026
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When the U.S. Department of Justice moved to reclassify medical marijuana to a Schedule III drug on April 23, 2026, it set the stage for a vast amount of medical research that has been hobbled for decades by its more restrictive ...
Apr 29, 2026
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Most people strongly support the federal government's reclassification of cannabis, according to a new study that used AI to analyze more than 40,000 comments in the public record. The findings by researchers at Johns Hopkins ...
Apr 29, 2026
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Lately, there has been a lot of focus on declining alcohol sales in North America, and speculation as to why that might be. Dr. Tim Naimi, an alcohol epidemiology researcher and director of the Canadian Institute for Substance ...
Apr 27, 2026
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Over the past 16 years, pediatric substance use-related visits (SUVs) to PEDSnet institutions have been increasing across all care settings and have increased at a greater percentage than visits overall, according to a comprehensive ...
Apr 25, 2026
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The US government on Thursday made it easier for Americans to use cannabis for medical reasons by reclassifying the drug and enabling more research into its safety and efficacy.
Apr 23, 2026
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The use of psilocybin, the hallucinogenic compound found in "magic mushrooms," is rising in the United States alongside de-criminalization efforts in several states and local jurisdictions, as well as heightened interest ...
Apr 22, 2026
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Weed might increase a young person's risk of an asthma attack, whether or not they are smoking or vaping it, a new study says. Young adults had 57% to 81% higher odds of an asthma attack if they smoked or vaped cannabis, ...
Apr 21, 2026
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