Fomo

We speak about cortisol as if it were a contaminant: the chemical residue of a bad life, the hormone responsible for belly fat, insomnia, anxiety, and the general collapse of modern existence. The language is too simple. Cortisol is not an invader. It is one of the oldest emergency systems in the body, an evolutionary gift that helped an animal survive the moment when survival became uncertain. Somewhere in that inheritance is the plain fact that someone, somewhere, was not eaten by a tiger. …