February 5th, 202
A recent study from the Hospital del Mar Research Institute shows that cannabis use is associated with increased brain inflammation, which may affect the therapeutic effectiveness of antipsychotic treatments. The study analysed brain MRI scans from nearly 100 individuals-patients with first-episode psychosis and healthy volunteers-using a novel technique that measures extracellular free water. This is the first study to apply this method to examine the effects of cannabis use in psychosis. The findings are published in Molecular Psychiatry and reinforce recommendations against cannabis use in people with psychotic disorders.
Read more sobre "Cannabis use may influence treatment mechanisms in first-episode psychosis"
January 26th, 2026
Deaths among patients with acute myocardial infarction before reaching hospital were reduced, during the response by the Medical Emergency System of Catalonia (SEM), by 20% during this period, compared with what would have been expected in the period prior to the implementation of this initiative. Overall, 28-day mortality after suffering a heart attack decreased significantly, falling from 27% of cases to 19%. These findings are highlighted in a study by researchers from the Hospital del Mar Research Institute, in collaboration with Hospital de Sant Pau and Hospital Clínic de Barcelona, which analysed data from 100,000 people who suffered a heart attack in Catalonia between 2008 and 2019.
Researchers from the Hospital del Mar Research Institute and the Vall d'Hebron Institute of Oncology have demonstrated, in animal models, the role played by these cells in the development of cancer cells. The study, published in Science Advances, shows that eliminating these cells at an early stage of tumor growth promotes tumor proliferation and the formation of metastases. By contrast, combining their elimination with an inhibitor of the CCL2 molecule reduces tumor size and eliminates metastases.
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