High-Dose DHA Reaches the Brain but Didn't Boost Memory in 2 Years
This study suggests high-dose DHA reaches the brain but may not improve memory in at-risk older adults.
Omega-3 DHA is a popular pick for brain health, especially for people at risk of dementia. This two-year trial gave older adults with low omega-3 intake high-dose DHA. The DHA clearly made it into their brain fluid, even in those carrying the high-risk APOE ε4 gene. But there was no difference in memory, thinking, or brain size compared to placebo.
Conflict of Interest Disclosure: One author reports grants from and consulting fees for many drug companies, including Eisai, Roche, and Novo Nordisk, outside this work.
Disclaimer: Research summaries are provided for informational purposes only and do not constitute medical advice. Always consult a qualified healthcare professional before making changes to your health routine.
Related Studies
All researchSelenium May Soften Plastic Chemicals' Hit to Older Brains, But Only Sometimes
Phthalates from plastics show up in almost everyone's urine, and higher levels of one DEHP breakdown product went along with lower thinking…
Late Dinners and Skipped Breakfasts Linked to Higher Dementia Risk
In older adults in Japan, eating dinner close to bedtime was tied to a higher chance of getting dementia.
Probiotic Brain Effects May Linger Weeks After You Stop Taking Them
In healthy older adults, a probiotic's effects on brain activity and anxiety didn't all vanish once they stopped taking it.