Vagus Immune Connection

The Vagus-Immune Connection

By Navaz Habib, JP Errico

Take charge of your immune system, prevent immune dysregulation, and mitigate disease risks through the power of the vagus nerve.


This comprehensive guide delves into the intricate relationship between the vagus nerve and immune regulation, providing invaluable insights and practical strategies for understanding chronic illnesses like migraine, anxiety, BPD, cognitive dysfunction, stroke, hypertension, IBS, and more.


Engineer, inventor, and vagus nerve expert J. P. Errico distills the latest scientific research and technological advancements to offer an easy-to-understand guide to bolstering your immune system and enhancing resilience against pathogens and diseases. With The Vagus-Immune Connection, you will:

  • Gain a deep understanding of how the vagus nerve influences the immune system, from its role in controlling inflammation to its impact on autoimmune conditions
  • Discover practical techniques to effectively manage stress, a major contributor to immune dysregulation
  • Enhance immune resilience and disease prevention
  • Optimize cellular energy metabolism to improve neurodevelopment and cognitive function

Whether you’re seeking to boost your immune resilience, prevent disease, or address immune-related conditions, this book offers a comprehensive roadmap to unlock the potential of your immune system through vagus nerve modulation.

Author Dr. Navaz Habib

Navaz Habib

Dr. Navaz Habib is the founder of Health Upgraded a Functional Medicine and Health Optimization clinic in Toronto, Canada, working with high performing professionals, athletes and entrepreneurs to dig a little deeper and find the answers to what is holding back their health. He works with those who want to take their health to a higher level, allowing them to contribute to humanity and serve more people. 


Having gone through his own personal experiences with poor health and weight struggles, Dr. Habib is well equipped to implement personalized recommendations for each of his clients. In identifying the root causes of health imbalances, and addressing them naturally, his patients experience optimal health the way their bodies were meant to feel, and allow them to give back to the world in whatever way they want to serve.


Dr. Habib’s book Activate Your Vagus Nerve is a simple to follow guide to help you identify and address a major missing piece in patients dealing with chronic health concerns such as anxiety and depression. By activating the Vagus nerve, we can optimize our productivity, focus and energy levels, allowing us to experience the effects of upgraded health.

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JP Errico

JP Errico is a highly accomplished individual with a diverse range of expertise as an executive, entrepreneur, and inventor. He currently serves as a board member and founder of ElectroCore, a prominent company specializing in neuromodulation that has developed a pioneering noninvasive vagus nerve stimulator.


JP has been credited as an inventor on over 250 issued US patents, and has founded and successfully sold or taken public numerous medical device and pharmaceutical companies in partnership with Dr. Thomas J. Errico, including Fastenetix, K2 Medical Systems, AD4-Pharma, E2, and SpineCore. He earned an undergraduate degree in aeronautical engineering from the Massachusetts Institute of Technology and worked at the Air Force National Laboratory’s Lincoln Laboratories. Additionally, he holds graduate degrees in both law and mechanical/materials engineering from Duke University.

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Released: February 2024
Price: $16.95

ISBN-10: 1646046196
ISBN-13: 9781646046195

5 x 8
192 pages

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