What’s behind the rise in allergies and asthma in children, and what can parents do about it? Pediatric allergy expert Dr. Zachary Rubin joins host Lindsey Smith on Raise the Line to provide the sort of straightforward perspective on this and related issues that has garnered him an audience of millions on social media and established him as a trusted voice on these complicated conditions. He also previews his new book, All About Allergies.