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Alzheimer's Disease
Red blood cell omega-3 fatty acid levels and markers of accelerated brain aging
Authors: Z.S. Tan, et al. / Journal: Neurology, February 2012Summary
Researchers studied over 1,500 late middle aged adults without dementia to see how the levels of omega-3s in their blood are related to signs of future dementia. Adults with the lowest amount of the fish-based omega-3, DHA, in their blood had smaller brain volumes and poorer performance in tests of visual memory; abstract thinking; and planning, organization, and carrying out of tasks than adults with higher DHA levels.
Fish Consumption, Omega-3 Fatty Acids, and Subsequent 5-y Cognitive Decline in Elderly Men
Authors: Boukje Maria van Gelder, et al. / Journal: The American Journal of Clinical Nutrition, June 2007Summary
Researchers looked at 210 elderly participants enrolled in the Zutphen Elderly Study to determine the relationship between eating fish and cognitive decline. Results show people who eat fish have significantly less cognitive decline than those who do not eat fish.
Plasma Phosphatidylcholine Docosahexaenoic Acid Content and Risk of Dementia and Alzheimer Disease
Authors: Ernst J. Schaefer, et al. / Journal: Archives of Neurology, November 2006Summary
Nearly 900 older men and women free of dementia were followed to see if DHA omega-3 fatty acid levels are related to risk of developing dementia. Researchers found individuals with the highest DHA levels have a 47 percent reduction in all-cause dementia and a 39 percent lower risk of developing Alzheimer's disease.