Obesity has been a public health issue in the United States for about fifty years and is now reported in all corners of the world. In the next twenty-five years, the rates of diabetes which are nearly all driven by diet, inactivity, and obesity are projected to increase by 37 percent in the United States, 76 percent in China, and 134 percent in India (Yach, Stuckler, and Brownell, 2006). The latest statistics suggest that obesity will soon overtake smoking as the leading cause of preventable death in the United States (Mokdad, SMarktroup, and Gerberding, 2004). Even more frightening, like tobacco companies, the junk-food business has a very skillful and strong labor force to promote its products, including manipulating ingredients, targeting young children and producing misleading advertisements. Due to all these unethical practice...