Omega-3 Fish Oil Boosts Brain DHA But Fails to Improve Memory in Alzheimer's Risk Trial
TL;DR Summary
A two-year, double-blind trial found that high-dose DHA from fish oil reached the brain but did not improve memory or cognitive function nor slow hippocampal shrinkage in older adults at risk for Alzheimer's, suggesting supplements may not protect brain health and highlighting the importance of overall diet and lifestyle.
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