147: Biohacking the Vagus Nerve f. Ben Greenfield

Welcome back to the Health Upgrade Podcast!In this colab episode, host Ben Greenfield dives deep into the mysteries and science of the vagus nerve with Dr. Navaz Habib and JP Errico. Together, they break down what the vagus nerve actually does in your body, including its powerful influence on immune function, gut health, inflammation, and how you feel day-to-day. The episode clears up myths, like the role of the vagus nerve in the “fight, flight, or freeze” response, and offers a clear explanation of key terms such as afferent and efferent nerve fibers.JP and Dr. Habib share practical insights on improving heart rate variability (HRV) through both mind and body strategies, including exercise, meditation, and even cutting-edge biohacking devices for vagal nerve stimulation. They also discuss the connection between the nervous system and immune system, how inflammation influences longevity, and the importance of daily habits that support resilience and recovery.If you’re curious about how to enhance your health, longevity, and overall well-being by tapping into your body’s own superhighway, this episode is packed with science, easy-to-follow advice, and actionable takeaways. Don’t forget to check out the show notes for links to recommended books, devices, and more. Tune in, leave your feedback, and start upgrading your health today! Dr. Navaz HabibEmail: [email protected]: https://www.facebook.com/DrNavazHabib/Instagram: https://www.instagram.com/drnavazhabib/LinkedIn: https://ca.linkedin.com/in/drnavazhabibJP ErricoInstagram: https://www.instagram.com/thevnsguy/LinkedIn: https://www.linkedin.com/in/jp-errico-097629aa