A 1998 study from Cornell conducted by vegan advocate and author of The China Study, T. Collin Campbell, reported that the Japanese ate less than 2 teaspoons of soy protein per day. (Celibate monks, who use soy and a vegetarian diet to reduce libido, are an exception.) In addition to soy, which is already ubiquitous in our food supply, pesticides, plastics such as Bisphenol A (BPA), and chemicals