In Europe, where the prescription of phytomedicines is an accepted treatment, a standardized extract of Ginkgo biloba leaves, prepared according to a well defined procedure, is used regularly to improve cognitive functions and treat Alzheimer disease. Ginkgo biloba is the most frequently prescribed phytomedicine in Europe today. These studies have been conducted on individuals with memory problems and the findings suggest that Ginkgo administration will slow the progression of mental decline. Ginkgo may act as a preventative measure for the development of mental decline from aging. The National Institutes of Health has begun a study to evaluate this possibility.
Free radicals can also damage cholesterol, making it stick to blood vessels.
Ginkgo Product Comparison of Relative PAF Inhibitory Activity Ginkgo Product- a Relative PAF Inhibitory Activity b EGb 761 Ref. Relative PAF-Inhibitory Activity represents the percent activity compared to the EGb761 containing Reference Ginkgo . Activity level is significantly higher than that of the reference product. Activity level is below acceptable levels, based on reference product performance. The variability in the PAF activity amongst Ginkgo products is high.