Evo Morales “Let Me Chew My Coca Leaves.” New York Times Editorial. March 13th, 2009: “Unlike nicotine or caffeine, it causes no harm to human health nor addiction or altered state, and it is effective in the struggle against obesity, a major problem in many modern societies.”
“Coca yes, Cocaine no?” Drugs and Conflict Debate Papers. 2006: “The use and consumption of the coca leaf do not cause psychological or physical changes greater than those resulting from the consumption of other plants and products which are in free and universal use.”