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The original was posted on /r/science by /u/mvea on 2025-03-02 16:09:40+00:00.
Original Title: Cannabinoid receptors may be why only some people with chronic stress develop anxiety and depression. Scientists injected mice with genes in viruses that doubled the cannabinoid receptors in their brain. Baseline anxiety, and symptoms of anxiety and depression induced by social stress, were reduced.
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The study by Menard et al referenced in the article: Astrocytic cannabinoid receptor 1 promotes resilience by dampening stress-induced blood–brain barrier alterations https://doi.org/10.1038/s41593-025-01891-9
