How to Want Less

The term homeostasis was introduced in 1926 by a physiologist named Walter B. Cannon, who showed in his book The Wisdom of the Body that we have built-in mechanisms to regulate our temperature, as well as our levels of oxygen, water, salt, sugar, protein, fat, and calcium. But the concept applies much more broadly than that: To survive, all living systems tend to maintain stable conditions as best they can

Homeostasis keeps us alive and healthy. But it also explains why drugs and alcohol work as they do, as opposed to how we wish they would. While that first dose of a new recreational substance might give you great pleasure, your previously naive brain quickly learns to sense an assault on its equilibrium and fights back by neutralizing the effect of the entering drug, making it impossible to get the first feeling back