Over 1,200 individuals over age 65 who did not show signs of dementia took part in the study conducted by researchers at Columbia University Medical Center. Participants were asked to complete surveys about their eating habits over the previous year which tracked 10 different nutrients, including omega-3.
Following the nutrient log inventory, blood tests were taken to help track protein levels of beta amyloid, a protein found in the amyloid plaques of the brain and typically considered an indicator of Alzheimer's disease. Results of the study showed that lower levels of beta amyloid consistently coincided with higher levels of omega-3 fatty acids in the blood stream.
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