I think I'm starting to understand America now:
American toddlers are eating more sugar than the maximum amount recommended for adults https://qz.com/1302201/american-toddlers-are-eating-more-sugar-than-the-amount-recommended-for-adults/
high-fructose diet sabotages learning, memory http://newsroom.ucla.edu/releases/this-is-your-brain-on-sugar-ucla-233992