Study Links Omega-3s to Improved Brain Structure, Cognition at MidlifeWashington, 6 Oct (ONA) --- Eating cold-water fish and other sources of omega-3 fatty acids may preserve brain health and enhance cognition in middle age, new evidence indicates.Having at least some omega-3s in red blood cells was associated with better brain structure and cognitive function among healthy study volunteers in their 40s and 50s, according to research published online in Neurology®, the medical journal of the American Academy of Neurology. Faculty of The University of Texas Health Science Center ...