By the way, doctor: Ginkgo biloba and dementia
Ginkgo is prescribed in many parts of the world as a memory remedy and is readily available in the United States as an over-the-counter herbal supplement. It does have some antioxidant properties that theoretically could prevent the sort of brain damage that leads to memory problems, and there are hints from test-tube experiments that ginkgo might combat the formation of amyloid plaques, which are thought to be an underlying cause of Alzheimer's disease. Early trials showed that people who already had dementia had modest cognitive gains after taking ginkgo, although I think those results were unconvincing.
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