The Science of Turning Back Time

In this engaging conversation, Charmaine Shepherd interviews Hannah Sutter, co-founder of Natural Getosis and advisory member of the European Keto Foundation. They explore the ketogenic diet's impact on health, particularly its benefits for mental health, cognitive decline, and metabolic disorders. Hannah shares her personal journey into the world of keto, the science behind its effectiveness,...

Summary In this conversation, Dr. Dhara Pannick emphasises the importance of taking ownership of one's health. She discusses how health should not be an afterthought but a proactive pursuit, encouraging individuals to break traditional molds and actively seek ways to optimise their well-being. Keywords preventive health, early detection, cancer, MRI scans, AI in healthcare, health optimization...

In this episode of the Science of Turning Back Time, Charmaine Shepherd interviews Leslie Kenny, a longevity expert who shares her personal journey of overcoming severe health challenges, including autoimmune diseases. The conversation delves into the science of longevity, the role of spermidine in health optimization, and the importance of functional medicine. Leslie discusses her experiences wit...

In this conversation, Charmaine Shepherd discusses the concept of super ageing with David Cravit and Larry Wolf, co-authors of 'Super Aging'. They explore the importance of redefining ageing, emphasising the need for purpose, activity, and a positive attitude. The discussion covers the seven critical pillars of super aging, including nutrition, social connections, and financial planning, w...

Join us as we dive into the intriguing world of the Toxic Bile Paradigm with Dr. Garrett Smith. Discover how toxic bile impacts gut health, contributes to leaky gut, and affects the body's detoxification process. Learn practical tips to enhance your health span and improve your quality of life. Tune in for an eye-opening discussion that challenges conventional health wisdom!

In this episode of "The Science of Turning Back Time," we delve into the world of NAD testing with Jari Närhi, CEO and Co-Founder of NADMED. Discover the critical role NAD plays in our metabolism and aging process, and explore the groundbreaking advancements in testing that are making it possible to measure this elusive molecule. Jari shares insights into the challenges of NAD testing, t...

In this episode of "The Science of Turning Back Time," host Charmaine Shepherd delves into the fascinating world of biological aging with Dr. Varun Dwaraka, head of bioinformatics at True Diagnostics. Discover how lifestyle changes, such as diet, exercise, and stress management, can significantly impact your biological age. Dr. Dwaraka shares insights on the science behind epigenetic clo...

In this episode, Charmaine Shepherd speaks with Dr. Elizabeth George about the critical role of nutrition in reversing chronic illnesses and promoting longevity. They discuss the shocking state of hospital food, the importance of community in dietary changes, and the integration of nutrition into medical training. Dr. George shares her personal journey into nutrition, the impact of the microbiome...

In this enlightening conversation, Carey Mencarini shares her remarkable health journey from being wheelchair-bound and given six months to live to reclaiming her vitality through holistic strategies. She emphasises the importance of understanding health span versus lifespan, the benefits of fasting and NAD therapy, and the critical role of mindset in healing. Carey encourages listeners to listen...

In this episode of The Science of Turning Back Time, Charmaine Shepherd and Dr. Nigel Breyer discuss the often-taboo topic of urinary incontinence, particularly among women. They explore the psychological, physical, and hormonal factors that contribute to bladder health, emphasizing that incontinence is not an inevitable part of aging. Dr. Breyer shares his personal journey into this field, the im...

In this conversation, Professor Joanne Manson discusses the findings of the VITAL study, focusing on the role of vitamin D in ageing and inflammation, the significance of telomeres, and the importance of lifestyle factors in promoting health span. She emphasizes the need for vitamin D supplementation, especially in populations with limited sun exposure, and highlights the evolving understanding of...

Summary In this conversation, Charmaine Shepherd and Davy discuss the transformative journey of resilience, focusing on Davy's personal experiences with adversity, education, and the importance of routine in achieving lasting change. They explore how small steps and discipline can lead to significant improvements in mental and physical health, as well as the impact of generational trauma and c...

Summary In this enlightening conversation, Dr. David Bilstrom discusses the profound impact of epigenetics on health and disease, particularly in relation to autoimmune conditions. He emphasizes the importance of understanding root causes through a functional medicine lens, debunking myths about aging and health. Dr. Bilstrom shares actionable steps individuals can take to enhance their health spa...

Summary In this episode, Charmaine Shepherd interviews Bryan Hardy, a men's holistic nutrition coach, discussing the importance of men's health, nutrition, and lifestyle changes. Bryan shares his personal health journey, emphasizing the significance of gut health, testosterone levels, and the impact of nutrition on mental well-being. The conversation explores the balance between social life and he...

Summary: In this conversation, Charmaine Shepherd interviews Alison McCune Davis, the author of '60 is a Good Start.' They discuss the transformative nature of turning 60, the importance of habits for health and longevity, and how to break down overwhelming changes into manageable steps. Alison shares her framework for a 60-day challenge that focuses on body, brain, and purpose, emphasizin...

In this conversation, Charmaine Shepherd and Dean McMenamin discuss practical strategies for exercise and movement that can enhance longevity and overall health. They explore Dean's personal journey into fitness, the importance of testosterone, the role of strength training in reversing muscle decline, and the significance of grip strength as an indicator of health. The discussion emphasizes t...

With special guest: Marisa Matos, Nutritional Therapist & Functional Medicine Practitioner with a Degree in Genetics What if your genes aren’t your destiny? In this episode, we’re joined by Marisa Matos , a brilliant nutritional therapist who combines the power of functional medicine with her background in genetics to help people take back control of their health. We explore how epigenetics —...

Can trauma be inherited? And if so, can we heal what we didn’t experience directly? In this powerful and hopeful episode, I’m joined by internationally renowned molecular biologist Dr. Rana Dajani—Chen Yidan Global Fellow at Harvard - whose groundbreaking 2025 study confirms something many of us have long suspected: that trauma can leave a biological imprint not only on us, but on generations to c...

Did you know that your mouth holds the key to your overall health and longevity? In this episode, I sit down with Dr. Neeraj Puri, an integrated dentist who goes beyond traditional dentistry to explore the deep connections between oral health and whole-body wellness. We dive into the science of how gum disease, hidden infections, and even the way you breathe can impact inflammation, brain health,...

Your liver is one of the most underrated organs when it comes to ageing and long-term health —but did you know it plays a huge role in metabolism, detoxification, inflammation, and even brain function? In this episode, I sit down with Claire Hardie from LiverScan to dive into the critical link between liver health and healthspan . Most people don’t realise that liver damage starts silently , often...

Struggling with sleep? You’re not alone. Quality sleep isn’t just about feeling well-rested—it’s one of the most powerful longevity tools we have. Poor sleep is linked to increased risk of heart disease, dementia, and metabolic disorders. But the good news? There are science-backed ways to sleep better, live longer, and improve your healthspan. In this episode, we dive into: ✅ Primary vs. Seconda...

We all know what we should be doing to improve our health—but why is change so hard? In this episode, I sit down with IFM-certified health coach Jo Bednarek to explore the psychology of behavior change , habit formation, and how to finally break free from the cycle of good intentions but poor execution . Since I’m on a personal journey to shave 2-3 years off my biological age , this conversation i...

Ultra-processed foods are everywhere—convenient, addictive, and often disguised as “healthy” choices. But what are they really doing to your body and your long-term health? In this episode, we take a deep dive into the hidden dangers of ultra-processed foods and their direct impact on your healthspan. I’ll share shocking research on how these foods accelerate cognitive decline, inflammation, and c...

In this episode, I explore the concept of healthspan versus lifespan, emphasising the importance of living not just longer, but healthier. I will discusses genetic risks, the role of epigenetics, and how lifestyle choices can influence health outcomes. Through personal anecdotes and scientific insights, I hope to encourages listeners to take control of their health journey and make proactive choic...