WSJ Article: What's Really in your Cigarette? Ammonia, sugars, cocoa and more. Once-secret documents reveal some surprising ingredients
http://online.wsj.com/article/SB10000872396390444914904577619413844991748.html#
Published in the Wall Street Journal by Robert N Proctor
—Mr. Proctor is a professor of the history of science at Stanford University and the author of "Golden Holocaust: Origins of the Cigarette Catastrophe and the Case for Abolition."