# 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. ---