High DHA levels 'may cut dementia risk'

High blood levels of the omega-3 fatty acid docosahexaenoic acid (DHA), which belongs to the class of nutrients called essential fatty acids, may protect against the development of dementia and perhaps Alzheimer's disease, Massachusetts-based researchers report in the Archives of Neurology.
DHA is an abundant in the brain and fish is the primary dietary source.
Dr Ernst J Schaefer, of Tufts University, Boston and colleagues examined associations between blood DHA levels and dementia risk in 899 men and women free of dementia at entry into the Framingham Heart Study. They had their blood fatty acids measured at an average of 76 years old.....

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High Mental Activity Protects Against Alzheimer's Disease In Mice

Researchers at the Byrd Alzheimer's Research Institute in Tampa, Florida have determined that Alzheimer's mice placed in a mentally enriched environment outperform similar mice in traditional environments and behaviorally match those not suffering from the disease.

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