I think the problem is the amount of processed carbs rather than sugar on its own. Sugar is addictive but not in the concentration you'd get in a pasta sauce (in a can I assume).
IIRC most western countries are vastly over-caloried, and have a roughly inverse relationship between BMI and income too.
IIRC most western countries are vastly over-caloried, and have a roughly inverse relationship between BMI and income too.