Fish oil may be hurting your brain, new study finds [View all]

A new study from the Medical University of South Carolina is raising fresh concerns about fish oil supplements, especially for people who experience repeated mild traumatic brain injuries. Writing in the journal Cell Reports, researchers report that these widely used supplements, often promoted as protective for the brain, could actually interfere with healing after injury.

The research was led by neuroscientist Onder Albayram, Ph.D., an associate professor at MUSC and a member of the National Trauma Society Committee. His team focused on the biological processes involved in repairing blood vessels in the brain after injury.

Interest in omega-3 fatty acids, the key components of fish oil, has been growing rapidly. According to Fortune Business Insights, these supplements are now appearing not only in capsules but also in drinks, dairy alternatives, and snack products.

That surge in popularity does not surprise Albayram. "Fish oil supplements are everywhere, and people take them for a range of reasons, often without a clear understanding of their long-term effects," he said.

https://www.sciencedaily.com/releases/2026/04/260426012303.htm

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Gross! Fish oil in drinks?