Overtraining and Hormonal Disruption: Why More Training Could Mean Less Muscle. There's a belief baked into fitness culture that more is always better: more sets, more sessions, more suffering. Push harder, recover faster, repeat. It's the kind of logic that sounds right until you look at what's actually happening inside the body — because past a certain threshold, training doesn't just stop producing results. It starts undoing them. What Overtraining Syndrome Actually Is Overtraining Syndrome (OTS) isn't just feeling wrecked after a brutal week. It's a prolonged, systemic breakdown — one that happens when the cumulative stress of training consistently outpaces the body's ability to recover. Kreher and Schwartz (2012) described it as a dysregulation of the hypothalamus and its hormonal axes, triggering a cascade of physiological changes that go well beyond sore legs and low motivation. Performance drops. Mood tanks. Immune function crumbles. And the ho...