The United States exercises more than almost every other country in the world, yet we are ranked as the 12th most obese country. On top of that, the U.S. spends more than any other country in the world on health care, we make up %5 of the world's population but consume %50 of the world's pharmaceutical drugs.  The USDA recommended food pyramid has lead to widespread health issues and obesity. It's time to start questioning conventional wisdom.