Iron Lung Training | Breathing Endurance & Respiratory Muscle Workout

You do it 20,000 times a day. You never think about it. And almost every single time, you do it wrong. Breathing is the most automatic thing your body does — but the way most modern humans breathe is quietly, invisibly damaging their health. In this video, you'll discover what happened to your skull over the last 10,000 years, why your jaw literally shrank after agriculture arrived, what carbon dioxide actually does inside your body, and why mouth breathing at night is silently wrecking your sle

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