"Heavily processed" is not a scientific term. People don't eat boxes (but perhaps they should, because the actual danger in processed foods is removing fiber.)

"Heavily processed" is not a scientific term. People don't eat boxes (but perhaps they should, because the actual danger in processed foods is removing fiber.) Fruit juice is terrible but not heavily processed. Sugar is not heavily processed. Baking cakes and deep frying everything at home is not heavily processed.