The Surprising Reason People are Overweight with Dr. Robert Lustig

In Robert Lustig's early work as a pediatric endocrinologist, he began studying the effect certain molecules had on the body's organs. What he found was a stunning connection between fructose and liver function, which helps explain the reason for today's obesity epidemic. In the first episode of a series with the author of "Fat Chance," Dr. Daniel Amen and Lustig discuss how and why fructose is making people fat.