In Japan, life lessons in healthy eating

In the United States, the percentage of obese adults is about ten times what it is in Japan, even though fast food, junk food, pizza and donuts are also popular there. Correspondent Adam Yamaguchi looks at what differentiates the Japanese diet. He also learns how one company helps track its employees' health, and how schools make it their mission to design lunches that give Japanese children a taste of a healthy life.