Omega-3s Can Protect Your Brain, Especially If You Have This Gene, Study Finds

Tatiana Stepanishcheva / Getty Images Omega-3 fatty acids, found in salmon, tuna, flaxseeds, and fish oil supplements, can support memory and cognitive function.1 These fatty acids might be even more protective for people who have the e4 variant of the APOE gene (APOE-e4)—a strong…