If you feel like you’re doing everything “right” but progress has stalled, stress physiology may be playing a larger role than you realize. Cortisol and insulin are tightly connected, and chronic stress can override even well-structured nutrition plans. This topic explores how stress, nervous system regulation, sleep disruption, and metabolic slowdown interact — especially in midlife. The articles below will help you understand why pushing harder often backfires, and how supporting the stress response is essential for sustainable metabolic health.