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Supplements Don’t Fight Cognitive Decline, N.I.H. Study Says

Omega-3 fatty acids and antioxidants are often marketed to promote brain health. But one study to test these supplements has found no evidence that the pills stave off cognitive decline in older people.

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Dr. Sears Comments:

Dr. Barry Sears

I am constantly amazed by the press this poorly designed study keeps getting.  First you take subjects with an ocular condition (dry AMD) and no cognitive problems and give them a placebo level of omega-3 fatty acids. (It was a placebo since I have published research in 2014 that demonstrates giving 5-8 times greater levels of omega-3 fatty acids have a significant benefit in such patients).  With a placebo level of omega-3 you see no benefit on their dry AMD.  Then you do cognitive testing in same subjects to demonstrate that a placebo level of omega-3 fatty acids has no cognitive benefit.  That’s what I call dumb science.

 

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