> [...] an injection of sugar into the bloodstream stimulates the same pleasure centers of the brain that respond to heroin and cocaine. All tasty foods do this to some extent—that’s why they’re tasty!—but sugar has a sharply pronounced effect. In this sense it is literally an addictive drug.

Sugar doesn't get into the blood stream. Glucose does. Glucose is the only nutrient that neurons are using in normal conditions.

Criticizing excess is fine and dandy but labeling sugar an "addictive drug" and comparing it with heroin and cocaine by way of some scientific sounding "pleasure centers" is downright insane. Makes me question the validity of the historic part I enjoyed so much...