When we say the words behavior, diet, habits, and environment, chances are you don't think of the body's immune system. But based on recent research, all of those factors play a role in influencing immune function. So how can we keep them in mind and boost our immunity in the face of prevalent diseases, including COVID-19? Find out with Dr. Charles Turck as he speaks with Dr. Heather Moday, author of The Immunotype Breakthrough: Your Personalized Plan to Balance Your Immune System, Optimize Health, and Build Lifelong Resilience.