Survival

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. …

Throughout history, humans have displayed an unrivaled ability to adapt, exploit, and manipulate their environment. Unlike other animals bound by instinct, we leverage intelligence, creativity, and ruthlessness to ensure our survival and dominance. This opportunism has led to incredible advancements—but also immense destruction. The Evolutionary Edge of Opportunism Opportunism is not unique to humans; many animals take advantage of favorable circumstances. However, what sets us apart is the scale and sophistication of our strategies. From early humans using fire to hunt more efficiently to modern corporations exploiting global markets, our ability to seize opportunities is limitless. …