Authors: George A. Bray, Samara Joy Nielson, and Barry M. Popkin Source: American Journal of Clinical Nutrition This research report notes that the increase in obesity among Americans has coincided with the increased consumption of high-fructose corn syrup (HFCS). It also notes differences between how HFCS and glucose are digested, absorbed, and metabolized by the body that suggest that, particularly when it is consumed in sweetened beverages, HFCS may contribute to increased energy intake and weight gain.