Dr Zieve talks with author Kristin Wartman about how much obesity could be caused by malnutrition and her article "the Obesity Paradox." Commentator Martha Rosenberg weighs in on drugs with her article "New Weight-Loss Drugs Could Be America's Next health-Care Disaster." Kristin Wartman is a food writer living in Brooklyn, NY, focusing on the intersections of food, health, politics, and culture. Her writing regularly appears in The Huffington Post, Civil Eats, and Grist. Sheís also written for The Atlantic, Tikkun Magazine, Critical Quarterly, and The New Labor Forum. Read more at kristinwartman.com. Martha Rosenberg is a health reporter and commentator whose work has appeared in Consumers Digest, the Boston Globe, San Francisco Chronicle, Chicago Tribune, New Orleans Times-Picayune, Los Angeles Times, Providence Journal and Newsday. She serves as editorial cartoonist at the Evanston Roundtable. Her book Born With A Junk Food Deficiency: How Flaks, Quacks and Hacks Pimp The Public Health was published by Prometheus Books in 2012. Read more at opednews.com/martha.