Harvard Professor: They’re Lying To You About Running, Breathing & Sitting! - Daniel Lieberman
1:01various kinds of autoimmune diseases because our immune systems are so unchallenged they end up accidentally33:23places it has a cortisol also turns your immune system down cortisol has all kinds of you know37:55when the lion comes into the this is not a time to reproduce it's not a time to spend energy on your immune system it's not a time to do all kinds of stuff














