Omega-3 intake inversely linked to signs of brain aging

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Omega-3 intake inversely linked to signs of brain aging

By Shereen Jegtvig NEW YORK (Reuters Health) - Older women with higher levels of omega-3 fatty acids in their blood had slightly less brain shrinkage than women with low fatty acid levels in a new study. "The brain gets smaller during the normal aging process - about 0.5 percent per year after age 70, but dementia is associated with an accelerated and localized process of brain shrinkage," said James Pottala, who led the study. Pottala is an assistant professor at the University of South Dakota Sanford School of Medicine in Sioux Falls and chief statistician for the Health Diagnostic Laboratory in Richmond, Virginia. He and his colleagues analyzed data from the Women's Health Initiative Memory Study to see whether omega-3s were associated with brain shrinkage in general, and in specific brain regions involved in memory and other cognitive processes.

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