Peter Attia· MD
what is it that cortisol was doing 10,000 years ago that was serving our interests I want to certainly talk about what it's not doing today when you look at what it does it actually makes perfect sense as long as you are being stressed like a normal mammal running for your life running after a meal where if you don't catch something you're going to be dead by tomorrow a short-term physical crisis the first five seconds of doing that which epinephrine is critical for that's great if we're heading into a couple of minutes of evading a predator being vigilant thinking there might be if you were getting into the realm with a couple of minutes worth of a stress response cortisol related corticoid hormones are absolutely essential so the glucose that's coming rushing out of your liver pretty important in that situation