Why Your Body Is Built for Addiction
Our modern fixation on rapid information, short-form videos, and infinite scrolling might seem like a cultural problem—but its roots reach back hundreds of millions of years into the earliest steps of animal evolution. This article explores how the emergence of forward movement, the rise of bilateral symmetry, and the birth of the brain created the very reward systems that now drive our curiosity, our emotional responses, and even our digital addictions. Introduction Early life in the oceans lived almost like drifting sensors—turning, drifting, and rotating in place with no real sense of direction. But everything changed the moment an organism discovered that moving forward could help it capture more energy. That first step toward directional movement changed not only the body plan of life but also the structure of emotion, decision-making, and the motivational engines inside our brains. The Birth of Forward Movement and Bilateral Symmetry The earliest multicellular animals were ra...