Join Kara Wada, an adult and pediatric allergy, immunology, and lifestyle medicine physician, as we discuss the epithelial barrier hypothesis. What is the epithelial barrier hypothesis? What are some of the diseases that have been linked to epithelial barrier dysfunction? What are some of the factors that can disrupt the epithelial barrier? How can we protect our epithelial barriers? What are some lifestyle changes that can help to improve epithelial barrier function?