Kind Bars and the Meaning of 'Healthy' Food

What do you consider healthy food? How about nuts? They have protein, vitamins, and mineral, but according to the federal government, nuts have too much fat to be officially considered healthy. That’s why the F.D.A. sent a warning earlier this year to the makers of Kind nutrition bars, demanding that they take the word “healthy” off their labels. Now Kind is petitioning the government to change its definition of healthy. What’s an average eater to make of all this?