Feel Better, Live More with Dr Rangan Chatterjee How To Support Your Immunity, Reduce Inflammation & Age Better with Dr Jenna Macciochi #648
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Apr 14, 2026 
Dr Jenna Macciochi, an immunologist and bestselling author, explores why immunity is far more than cold defense. She gets into chronic stress, inflammation, and why midlife can be a major biological turning point. The conversation also touches on gut and oral health, self-compassion, community, breathwork, and her idea of building not just lifespan, but soulspan.
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How Jiu Jitsu Helped Jenna Reclaim Her Fight Response
- Jiu-jitsu showed Jenna Macciochi that her nervous system had become stuck in freeze and fawn, not fight.
- Sparring exposed how she would brace and submit under pressure, and repeated safe practice helped her recover access to a healthy fight response.
Why Community Is Anti-Inflammatory Medicine
- Community is not optional self-care; it biologically lowers inflammation through safety and bonding signals.
- Jenna Macciochi points to oxytocin rises in jiu-jitsu, plus calming effects from proximity, touch, and being with steady people when stressed.
Use Meditation For Training And Breathwork In The Moment
- Use meditation as a future-proofing practice and breathwork as a real-time tool.
- Jenna Macciochi says longer exhales can quickly shift state in a supermarket, before sleep, or during training because exhale biases the parasympathetic response.
