Higher Serum DHA Linked to Less Amyloid, Better Memory

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Higher Serum DHA Linked to Less Amyloid, Better Memory


New research supports neuroprotectant effects of docosahexaenoic acid (DHA) in the aging brain.
In a small cross-sectional study of cognitively healthy older adults, higher serum DHA levels were associated with less cerebral amyloidosis, better memory scores, and less regional brain atrophy.
“The interesting finding was the association of low serum DHA levels with cerebral amyloidosis (amyloid plaques) in older adults without evidence of dementia,” Hussein N. Yassine, MD, Department of Medicine, University of Southern California, Los Angeles, told Medscape Medical News. “This association was predominantly driven by persons at the lowest quartile of serum DHA levels who likely have limited intake of seafood.”
“This study adds to the existing evidence on the benefit of seafood consumption on [Alzheimer’s disease] AD risk factors,” Dr Yassine added.
The study was published online August 8 in JAMA Neurology.

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