Peter Attia· MD
shut down everything that's not essential not essential to surviving the next five minutes of this massive physical challenge so digestion with digestion exactly you got better things to do than digest breakfast when you're trying to avoid being somebody's lunch and you're sure not going to get any metabolic benefits of digestion during this five minutes it's slow expensive the energy you're getting you're getting from your liver you're getting from your fat cells it shuts down growth obvious logic there you know grow antlers tomorrow if you're still around to umballa right now shuts off reproduction same logic there it shuts off all the long-term building projects and just focuses your energies on what's immediately there