Dr. Phil Maffetone rejoins The Nation after the release of his new book, The Endurance Handbook: How to Achieve Athletic Potential, Stay Healthy, and Get the Most Out of Your Body.

Phil brews up a cozy cup of his fat-burning coffee (for non-coffee drinkers, try Phil's Shake) to talk about rhythm of music, life and its importance in efficient running.

Phil's Two-Week Test

Phil's Music Site

Five-Minute Power Break