How To Change The Way You Breathe For More Energy, Better Sleep, Improved Blood Pressure & A Longer Life with James Nestor #644

In this transformative three-part episode of *Feel Better, Live More*, Dr. Rangan Chatterjee sits down with James Nestor, author of *Breath: The New Science of a Lost Art*, to uncover the life-changing power of proper breathing. The conversation begins by exposing the hidden epidemic of dysfunctional breathing—particularly mouth breathing and over-breathing—linking it to poor sleep, anxiety, high blood pressure, asthma, and even chronic diseases like diabetes. Nestor presents compelling evidence, including a landmark Stanford study showing that just 10 days of forced mouth breathing can induce severe snoring and sleep apnea, underscoring how quickly modern habits harm health. He emphasizes nasal breathing as a foundational pillar of wellness, explaining how it improves oxygenation, regulates the nervous system, and reduces inflammation. Practical, low-cost tools like nasal strips, mouth taping, and breath tracking apps are recommended as accessible entry points. The episode also dives into the science of carbon dioxide as the primary driver of breathing, revealing how training tolerance to CO2 through breath holds builds mental resilience, reduces anxiety, and enhances cognitive function. The hosts highlight alarming indoor air quality data—where people inhale up to 10% of their breaths from others’ exhalations—advocating for simple fixes like opening windows and using air monitors. The discussion extends to children, warning that chronic mouth breathing can lead to facial deformities and contribute to ADHD and sleep disorders. Ultimately, the episode frames breathwork not just as a physical practice but as a profound tool for mental empowerment and self-mastery, with lifelong benefits for energy, longevity, and emotional regulation.