Even under CW logic, you have to be kind of retarded to not understand that a processed sugar bomb is bad for you. It doesn't take rigorous scientific reasoning to figure this one out.
Then again, it took years of research to convince americans that inhaling smoke from noxious chemicals and plant matter is bad for you. Baby steps, I guess.
The whole concept of a macronutrient, like that of a calorie, is determining our language game in such a way that the conversation is not making sense." - Dr. Kurt Harris