Kiera Butler watches the battle between high-fructose corn syrup and refined sugar. No matter who wins, we lose:

Prior to 1900, about 4 percent of America's calories came from fructose, while today's teens get roughly 12 percent of their calories that way. Since sugar and corn syrup are equally efficient as fructose delivery vehicles, the obvious conclusion is simply that we're consuming too many sweets. As for the HFCS-vs.-sugar smackdown, you might as well debate whether whiskey is healthier than rum. "In high-enough quantities, they're both poison," says [Robert Lusting, a pediatric endocrinologist].

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