EconBuff #53 with Tyler Ransom Dr. Tyler Ransom talks with me about seed oils and their potential role in the American obesity epidemic. Dr. Ransom describes what seed oils are and how they are made. Dr. Ransom presents a hypothesis that increased consumption of these oils has been a major, yet often overlooked, factor driving obesity rates in the U.S. since the 1960s. We explore the trends of the traditional explanations for obesity. Dr. Ransom argues that the trends in suga