If you buy processed foods that are advertised as fat-free or low-fat variations of foods that would typically be expected to be other than low- or non-fat, yes

If you buy processed foods that are advertised as fat-free or low-fat variations of foods that would typically be expected to be other than low- or non-fat, yes. A head of cabbage doesn't have sugar added to it to make some kind of low-fat cabbage.