# The Same Compound That Starves Tumors May Be Harming Concussed Brains

- slug: the-same-compound-that-starves-tumors-may-be-harming-concussed-brains
- date: 2026-04-26
- category: Biotech & Life Sciences

Fish oil contains two different molecules — EPA and DHA — sold as interchangeable brain helpers. A March 2026 study found one of them may actually interfere with brain repair after repeated concussions. The mechanism mirrors cancer therapy: blocking new blood vessel growth.

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