For years, the cannabis industry has pushed the idea that moderate use carries little risk. A sweeping new review in The Lancet Psychiatry, led by Professor Wayne Hall and colleagues, dismantles that narrative. The authors weighed epidemiological, genetic, experimental and preclinical evidence side by side. Their conclusion leaves little room for interpretation. There is no...
Researchers behind a small, unpublished US trial are urging caution after early data on a tightly controlled cannabis formulation and dementia-related agitation drew media attention. The study’s own authors are warning against treating the results as evidence that cannabis products help with dementia symptoms, stressing that what they tested has little in common with anything...
Johns Hopkins University researchers have issued a stark new warning about cannabis mental health risks facing teenagers. Those diagnosed with cannabis use disorder face a far greater risk of developing a psychiatric disorder later in life. That risk outpaces young people who develop problems with alcohol or other substances instead. The findings appear in the...
A major review published in JAMA has laid out the clearest picture yet of alcohol-related liver disease, a condition that has quietly become the leading cause of liver-related illness and death worldwide, and the most common reason for liver transplants across Europe and the United States. Written by Aleksander Krag, Fredrik Åberg, and Jessica Mellinger,...
Non fatal overdoses have climbed steadily since 2021. The number of deaths linked to drug use has continued to fall over the same period. That is the picture painted by new figures highlighted by the Washington based group United Against Fentanyl. The organisation points to data from the National EMS Information System, known as NEMSIS,...
A senior FDA scientist has told federal hearings something many advocates of medical cannabis would rather not hear. When it comes to marijuana PTSD risks, the government’s own review found the dangers outweigh any proven benefit. Even so, that conclusion lands awkwardly. Marijuana is already being used, and marketed, as a treatment for the condition...
New government data has confirmed what many working in addiction recovery have long suspected. Drug and alcohol treatment reoffending outcomes improve sharply once someone accesses structured support. In the largest linkage study of its kind, England’s Office for Health Improvement and Disparities matched over a million treatment records against police data. People who completed or...
A new study has confirmed what critics of Germany’s 2024 cannabis reforms warned might happen. Consumers in the country’s medical cannabis market are gravitating toward the cheapest, most potent products available, and the evidence increasingly suggests this has little to do with medicine. In 2024, Germany legalised limited recreational cannabis for personal use and home...
Sixty years after Yale scientists first turned their instruments on lysergic acid diethylamide, the compound is back under the microscope, and this time the questions are less about hallucinations and more about how the brain learns.
New research published in JAMA Network Open has confirmed what many communities have feared for years. In fact, xylazine fentanyl contamination is not slowing down. Instead, it is spreading into new regions of the United States. This is happening even as the concentration of the drug within each dose appears to be falling. For families,...