A study published in JAMA Network Open found that cannabidiol (CBD) may alleviate anxiety in women with advanced breast cancer.
The randomized, double-masked clinical trial was conducted by researchers from the Dana-Farber Cancer Institute, Harvard Medical School, New York Medical College, and Cambridge. The study included 50 participants aged 18 and older with baseline clinical anxiety. Half received a single 400-mg oral dose of CBD, while the other half received a placebo, administered within 48 hours of tumor burden scans.
While the primary outcome—changes in anxiety scores before and after ingestion—did not show a significant difference between the two groups, the study revealed encouraging secondary findings. Participants who received CBD had significantly lower anxiety levels two to four hours after ingestion compared to the placebo group. Additionally, no severe side effects were reported.
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