Homeostasis is the body’s drive to maintain stable conditions—including body weight. Research by Leibel and Rosenbaum shows when you diet, the body activates countermeasures: hunger increases, metabolism decreases, food becomes more rewarding. These aren’t willpower failures—they’re biological responses to perceived starvation. The body doesn’t know you’re trying to lose weight; it thinks famine has begun.
This companion covers what homeostasis does, the diet response, and working with biology rather than against it. (4 min read)