Fish Oil Staves Off Dementia
Wednesday, December 6th 2006
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, researchers have discovered. DHA is abundant in the brain and fish is the primary dietary source.
Dr Ernst Schaefer, of Tufts University, Boston and colleagues found, after controlling other risk factors for dementia, men and women with the highest DHA levels had a 47 per cent reduction in risk of developing dementia and a 39 per cent reduction in the risk of Alzheimer's disease compared with those with less DHA.
He said the high level was probably achieved by consuming more than 2.8 fish meals per week or about 180 milligrams DHA per day. DHA can also be obtained in fish oil capsules and "one capsule usually contains about this amount".
Sourced from the New Zealand Herald, Tuesday 28 November 2006
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