Ginkgo biloba is one of the most widely used herbs in natural medicine. The idea that it can help improve cognitive function is far from new. However, new research is shedding light on how ginkgo works in the body and suggesting new uses for this fascinating herb. It has long been known that ginkgo biloba increases blood flow to the brain. However, that in and of its self is not sufficient to explain the clinical benefits of its supplementation. In mouse models ginkgo decreases oxidative damage in brain tissues and increased levels of brain derived neurotropic factor, a protein necessary...