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How does DHA affect memory and cognitive function in older adults?

Majid Fotuhi, MD
Neurology
DHA is excellent brain food; when you increase DHA levels, you increase the size of your hippocampus, which controls memory. In this video, neurologist Majid Fotuhi, MD/PhD, explains the benefits of DHA for brain health, and the best ways to get it. 
Audrey K. Chun, MD
Geriatric Medicine
A study published in an issue of "Alzheimer's & Dementia" found that docosahexaenoic acid (DHA) taken for six months improved memory and learning in healthy older adults with mild memory complaints. DHA is the principle omega-3 fatty acid in the brain, and previous studies have associated low levels with cognitive decline in healthy elderly and Alzheimer's patients. Another study, published in the "Journal of the American Medical Association" and conducted in people with Alzheimer's disease, didn't find that DHA significantly benefitted cognitive function; however, the lead author of that study noted that the results may have been different had DHA been administered before the disease progressed. The data suggest that taking DHA early could benefit you if you have memory concerns.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.