How effective is Ginkgo Biloba in preventing memory loss?
Ginkgo biloba is one of the best-selling herbal supplements in the world.
It is often recommended to prevent memory loss associated with aging.
However, an eight-year study shows that long-term use of the supplement does not slow the rate of mental decline in older adults. VOA's Vidushi Sinha has more in a report narrated by Elizabeth Lee (video below).
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