Dr. Phil Maffetone: Adjustments to the MAF 180 Formula

In this Endurance Planet interview with host Tawnee Prazak, Dr. Phil Maffetone revisits his time-honored MAF 180 Formula for aerobic heart-rate training, with adjustments and changes to the formula, and gives advice on when it’s appropriate to add beats. On another topic, he addresses the effects of vegetarianism and veganism on endurance athletes.