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NOVEMBER 19, 2008

Ginkgo Fails to Postpone Dementia

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more in Health »

Ginkgo biloba, a popular herbal supplement taken by millions of Americans who hope to improve their memory, doesn't appear to delay or prevent the onset of dementia in elderly adults, according to a study published Tuesday in a top medical journal.

The results of the trial, the largest and longest to date of the herbal compound, were published in the Journal of the American Medical Association.

The results suggest that the $250 million that Americans spend on ginkgo every ...