Why Dr. Lisa Cassileth Is a Vegan

Dr. Lisa Cassileth converted from keto to a plant-based diet after studying the health benefits of veganism. PragerU CEO Marissa Streit asks Dr. Cassileth about the advantages and challenges of a plant-based diet, as well as popular weight loss drugs. Make sure to watch previous episodes of Real Talk about nutrition featuring a food expert and a carnivore for additional perspectives on how we should be eating.