High-fructose corn syrup: What are the concerns?

High-fructose corn syrup seems to be a common ingredient in many foods. What are the concerns about high-fructose corn syrup? Answer from Katherine Zeratsky, R.D., L.D. High-fructose corn syrup is a common sweetener and preservative. High-fructose corn syrup is made by changing the sugar (glucose) in cornstarch to fructose — another form of sugar. The [...]