On the flip side, white bread is a good source of carbohydrates – about 13 grams in a single slice. "This makes it a good source of energy," says Cooke. This is why runners and other athletes ...

White bread is made from wheat that has had the germ and bran removed, ... the fiber content varies between brands, so people without sensitivities are generally better to choose whole grain breads.

If Myhrvold is right, how were the rest of us so wrong? The notion that wheat is better than white started with a doctor, Denis Parsons Burkitt, whose 1979 book Don’t Forget Fibre in Your Diet ...