Roughly two percent of Americans are Jewish, and only a small fraction of them keep kosher. Yet between a third and a half of all packaged food in an American supermarket has a kosher label on it. How did kosher law become big business? Join us this episode as we find out how ancient Jewish dietary laws have shaped and been shaped by the science of processed food, from Coca-Cola to Jell-O and beyond. Learn more about your ad choices. Visit podcastchoices.com/adchoices