Check out this long stretch of ginkgo trees. 01:50 They're so many here in Tokyo that ginkgo's the official tree of Tokyo. 01:53 This program is on the seed in side of the fruit of this tree - the ...

Ginkgo biloba is an herb that has received acclaim as a memory enhancer and anti-aging product. It's now among the ten most popular dietary supplements sold in the United States. Although it has ...