> isn't "diatomic oxygen" the stuff we breathe every single minute and need to survive? I think they're referring to oxidative stress [1] caused by cellular re

> isn't "diatomic oxygen" the stuff we breathe every single minute and need to survive? I think they're referring to oxidative stress [1] caused by cellular respiration. [1] https://en.wikipedia.org/wiki/Oxidative_stress https://en.wikipedia.org/wiki/Oxidative_stress