How Not to Die: Discover the Foods Scientifically Proven to Prevent and Reverse Disease

by Michael Greger

Accessed April 21, 2015. 73. Nobre AC, Rao A, Owen GN. L-theanine, a natural constituent in tea, and its effect on mental state. Asia Pac J Clin Nutr. 2008;17 Suppl 1:167–8. 74. Wang ZM, Zhou B, Wang YS, et al. Black and green