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In this episode we sit down with Dr Jenna Macciochi, immunologist and author of Immune to Age, to explore the powerful connection between immunity and aging. Macciochi has spent 20 years studying the immune system.
From infectious disease to autoimmunity, lifespan vs. healthspan, and the science of inflammaging, Dr Jenna explains how your immune system is your lifelong health ally.
We discuss watershed ages, lifestyle choices that matter most, and the concept of ‘soul span’, living with meaning in the ‘main event’ of life.
Perfect for the curious listener seeking sustainable habits and a deeper understanding of longevity.
Head over to her website for more on immunology and longevity

Jenna is an accomplished expert in immunology with over two decades of experience exploring the intricate connection between the mind and body. As the author of three books, including Immunity: The Science of Staying Well and Immune to Age, she specializes in psycho-neuro-immunology to help individuals understand how biological systems influence their moods, energy, and long-term vitality. Her work bridges the gap between rigorous laboratory research and everyday life, translating complex science into sustainable, empowering tools for lifelong health.
Recognized globally as a speaker, consultant, and educator, Jenna’s expertise has been featured in major outlets such as the BBC, The Guardian, and Women’s Health. She is dedicated to helping people master the “science and art” of staying well by providing practical, research-backed strategies that go beyond mere clinical results.
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Views expressed by guests are not those of ION, nor does ION endorse any third party products mentioned.