Watching wave after wave of Coca Cola and McDonalds commercials throughout the Olympics coverage has been, to say the least, distressing. More than one-third of U.S. adults are obese. Not overweight. Obese. In 2008 alone, medical expenditures associated with obesity cost us somewhere on the order of $150 billion dollars. This gargantuan price tag continues to rise yearly.

Our childhood obesity rates reveal an even greater tragedy. In the past three decades, obesity rates have tripled. Som...