“Metabolic damage” is mostly myth. Metabolism adapts to restriction — it slows — but research by Rosenbaum shows this adaptation is largely reversible. It’s not permanent damage; it’s the body doing what it’s designed to do. The Biggest Loser study showed extreme restriction effects, not ordinary dieting. Fasting, muscle building, and adequate eating can restore metabolic function.
This companion covers what actually happens, why it’s not damage, what helps, and the practical message. (3 min read)