Ginkgo biloba leaf has been used as Chinese herbal medicine to treat a variety of health disorders for centuries, especially for vascular insufficiency. As dietary supplement, Ginkgo ranks among the most extensively used phytopharmaceutical products in the United States, and around the world. More than 24 different brands of Ginkgo extract are sold in the United States. In Europe, Ginkgo leaf extract EGb 761® is a registered drug for the treatment of age-related cognitive decline, including memory and concentration problems. Clinical studies have demonstrated effectiveness of Ginkgo extract in a wide range of health problems associated with cerebrovascular insufficiency. However, it is primarily known and appreciated for its effects on age-related decline in cognition and memory. This book discusses the results of published scientific studies regarding its various anecdotal uses.