Ginkgo Biloba generally improves blood flow by dilating the peripheral blood vessels including the capillaries which may have the effect of reduction in blood pressure. Throughout history Ginkgo Biloba has been used for treating asthma tuberculosis bronchitis & circulatory conditions such as tinnitus & Raynaud s disease. More recently Ginkgo Biloba has been shown to improve mental acuity in those suffering from Alzheimer s disease & reduce damage caused by poor circulation in stroke v