Your metabolism didn’t stop working. But the rules? Completely different now. What you could get away with in your 30s - the late-night snacks, skipped workouts, chronic stress you just powered through…your body used to forgive all of it. Now? It feels like it stores every single transgression as belly fat, am I right? At 49, with 20 years of clinical practice, here’s what I know actually changed: The 4 metabolic shifts after 40: 🧬 Muscle Loss: 3-8% per decade starting at 30. Less muscle = drastically slower metabolism 🩸 Insulin Resistance: Declining estrogen increases insulin resistance by 25%. Even “healthy” foods now store as fat 😰 Cortisol Sensitivity: Stress response amplified while resilience plummeted. Cortisol now hijacks everything 😴 Sleep Impact: Poor sleep increases hunger hormones 28% and decreases satiety hormones 18%. You wake up starving These 4 factors created the perfect metabolic storm. But here’s the truth: Insulin resistance is reversible. Not with...