Why do so many people suffer from chronic symptoms despite being told their labs are "normal"? In this fascinating episode, we sit down with Dr. Olivia Lesslar, a physician specializing in psychoneuroimmunology and longevity medicine, to uncover why so-called "mystery illnesses" are often the result of multiple unresolved threats interacting throughout the body and brain. She explains how chronic pain, chronic fatigue, trauma, surgery, infections, and even deeply rooted psychological patterns can keep the nervous system locked in survival mode, making true healing a complex but achievable process. Dr. Lesslar also shares why creating a sense of safety within the body is one of the most powerful yet overlooked foundations for recovery. If you've been searching for answers to persistent health challenges, this episode offers a compassionate, science-backed perspective that will change the way you think about chronic disease and what it takes to heal.
Dr. Olivia Ly Lesslar is an Australian medical doctor with an expertise in psychoneuroimmunology and longevity medicine. Known as a “medical Sherlock Holmes,” she is recognised for her ability to synthesise insights across multiple specialties and unravel complex, multi-systemic conditions that defy conventional diagnostic frameworks.
She is Director of Functional and Longevity Medicine at Cingulum Health in Sydney and Medical Architect and Founding Chief Medical Officer of Eir Liv, where she designed the clinical framework for a medicalised longevity atelier model. Internationally, she serves as Founding Chief Clinical and Standards Advisor to Elite Optimal Health Centre in Accra, Ghana, guiding its clinical standards and institutional development. Dr Lesslar holds leadership and advisory positions across more than thirty international organisations in neurotechnology, biotechnology, and space medicine, including Human Regenerator (UK), Kure (sydney), L’evive Labs (Singapore), Sens.ai (Canada), and Oxford Healthspan (UK).
In 2025, she completed a seven-city speaking tour across Australia and New Zealand, presenting her original framework, The Nine Ancient Survival Threats, a psychoneuroimmunological model exploring the evolutionary roots of chronic disease. She holds academic appointments at Griffith University’s National Centre for Neuroimmunology and Emerging Diseases and at the Geneva College of Longevity Science. Her focus is on advancing integrative, patient-centred models that unite neuroscience, immunology, and systems-level thinking.
SHOW NOTES:
0:39 Welcome to the podcast!
3:19 About Dr. Olivia Lesslar
4:02 Welcome her to the show!
5:10 Are they really “mystery illnesses”?
9:56 Chronic pain signals
11:58 Her traumatic injury
15:22 What is Psychoneuroimmunology?
16:59 When your body betrays you
20:16 Fear-based marketing
23:25 The impact of surgery
26:20 Assessing threats to the body
33:05 How to create safety in the body
36:57 The “schemas” that inform our health
40:16 Chronic Fatigue Syndrome
42:08 Her “index patient”
48:07 Why healing is multifactorial
51:45 Her framework for health
55:10 Her finale piece of advice
57:53 Thanks for tuning in!
RESOURCES:
Website: www.drolivialesslar.com
IG: @drolivialesslar
LinkedIn
Her peer-reviewed published research: ResearchGate profile
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