By -
Philip Harman
This episode is sponsored by ButcherBox. Get off your first order here: https://www.butcherbox.com/impact Dr. David Perlmutter is a Board-Certified Neurologist and the author of the #1 New York Times bestseller Grain Brain. In this episode of Health Theory, he and host Tom Bilyeu discuss the important health metrics to pay attention to, how lifestyle affects health, and the importance of