Who invited Dr. Al Johnson to join their broadcast 🎙 in Des Moines, IA to discuss the implications of a mild winter on the allergy season. Dr. Al Johnson delves into how warmer winters can lead to an extended allergy season due to early blooming and increased pollen. He also discusses practical ways to mitigate allergy symptoms, such as indoor exercise and over-the-counter antihistamines. Dr. Johnson further highlights how regional differences can affect the types of allergens prevalent.