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Ginkgo extract doesn’t slow cognitive decline

Ginkgo extract doesn’t slow cognitive decline

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A new study casts doubt on the effectiveness of Ginkgo extract as a health supplement.

The widely used herbal supplement Ginkgo biloba does not appear to slow the rate of cognitive decline in healthy older people or those with mild cognitive impairment, U.S. researchers said on Tuesday. Their study involved 3,069 people age 72 or older from four U.S. communities who were tracked for an average of six years. Half of them took twice-daily doses of 120 milligrams of extract from the leaves of the ginkgo tree and half received a placebo. Compared with study participants who received a placebo, the use of Ginkgo biloba did not slow cognitive decline in those with normal conditions or those with mild cognitive impairment, the researchers wrote in the Journal of the American Medical Association. – From Reuters