NO More Heart Disease is the title of a book by Nobel Prize winner Dr. Louis Ignarro. Dr. Ignaro won the Nobel Prize in Medicine for discovering "the atom" of cardiovascular health--a tiny molecule called Nitric Oxide (NO). Nitric Oxide is a key signaling molecule throughout the body. Produced by the endothelial cells lining the arteries, it penetrates the underlying smooth muscles and acts as a potent vasodilator that relaxes the arteries. Therefore, Nitric Oxide plays a cri