1.\tHe opened his lecture with a sentence that made even trainers pause: “The body after 35 doesn’t burn fat through intensity — it burns fat through rhythm.” He showed hormone charts: high-effort, long workouts raised cortisol and stalled fat loss, while short rhythmic intervals lowered stress hormones and melted visceral fat. “It’s not effort,” he said. “It’s timing.” \t2.\tHe described a client who ran daily but still gained belly weight. Her cortisol curve looked like a mountain range — spik