Cardio and respiratory fitness has enormous impact on your heart health, and far-reaching implications for a host of other diseases and illnesses. In this show, Dr. Berkson takes a look at recent studies from Harvard and shares how exercise—and high interval intensity training (HIIT)—promotes biome diversity, helps fight cancer, and more. Your gut health isn’t determined by your food choices alone. When you “push” yourself physically, your whole being is rewarded. Learn how physical fitness impacts your gut, your heart, and your mind. And discover how to exercise to gain the most benefit.