>has little to no nutrition, No, it's full of carbohydrates, it might be lacking B vitamins and what not but energy/nutrition it does have. In some cases it wo

>has little to no nutrition, No, it's full of carbohydrates, it might be lacking B vitamins and what not but energy/nutrition it does have. In some cases it would be sweetened with sugar (so both glucose/fructose) What you explain is mostly the demand, though, in north europe the black bread (incl. rye) is common for instance.