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Matti Narkia

Ginkgo biloba - Wikipedia, the free encyclopedia - 0 views

    Ginkgo has many alleged nootropic properties, and is mainly used as memory[25] and concentration enhancer, and anti-vertigo agent. However, studies differ about its efficacy. The largest and longest independent clinical trial to assess ginkgo biloba's ability to prevent memory loss has found that the supplement does not prevent or delay dementia or Alzheimer's disease.[26] Some controversy has arisen over the conclusions drawn by some studies that were allegedly funded by a firm which marketed Ginkgo.[27]

    In 2002, a long-anticipated paper appeared in JAMA (Journal of the American Medical Association) titled "Ginkgo for memory enhancement: a randomized controlled trial." This Williams College study, sponsored by the National Institute on Aging rather than Schwabe, examined the effects of ginkgo consumption on healthy volunteers older than 60. The conclusion, now cited in the National Institutes of Health's ginkgo fact sheet, said: "When taken following the manufacturer's instructions, ginkgo provides no measurable benefit in memory or related cognitive function to adults with healthy cognitive function." ... The impact of this seemingly damning assessment, however, was ameliorated by the almost simultaneous publication of a Schwabe-sponsored study in the less prestigious Human Psychopharmacology. This rival study, conducted at Jerry Falwell's Liberty University, was rejected by JAMA, and came to a very different-if not exactly sweeping-conclusion: There was ample evidence to support "the potential efficacy of Ginkgo biloba EGb 761 in enhancing certain neuropsychological/memory processes of cognitively intact older adults, 60 years of age and over."

    According to some studies, in a few cases, Ginkgo can significantly improve attention in healthy individuals.[28][29] Allegedly, the effect is almost immediate and reaches its peak in 2.5 hours after the intake.[30]
    [edit] In dementia

    A 2004 conference paper[31] summarizes how various trials indicate that Gi
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