What if your health starts in your gut?

In this episode of Jonty & The Doc, Jonty Rhodes and Dr. Marcus Ranney explore how gut health impacts everything - from digestion and immunity to energy levels, recovery, and long-term wellbeing.

Jonty reflects on how his understanding of health evolved over time -from growing up in a “kill all germs” environment to recognizing the importance of gut balance, whole foods, and consistent lifestyle habits.

Dr. Marcus breaks down the science behind the gut microbiome, how modern diets and lifestyles disrupt it, and why so many people today struggle with inflammation, poor absorption, and low energy despite “eating healthy.”

This conversation goes beyond trends and quick fixes. It’s about understanding how daily choices - what you eat, how you recover, how you live - shape your health from the inside out.

In this episode:

• Why gut health is the foundation of overall health

• The role of the microbiome in energy, immunity, and recovery

• How modern diets (sugar, processed foods, etc.) impact your gut

• Why “killing germs” might be hurting your health

• The connection between gut health and nutrient absorption

• Simple lifestyle habits that support long-term health

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In this episode, we dive deep into the science of brain health, longevity, and performance with legendary cricketer Jonty Rhodes and Dr. Marcus Ranney, a leading medical expert in the field of longevity science.

The conversation explores how modern lifestyle factors - from sleep and nutrition to stress and social media - are shaping both our physical and mental health.

We discuss the role of BDNF in brain longevity, the powerful connection between the gut and the brain, and how practices like intermittent fasting, breathwork, and yoga can support cognitive function and resilience.

Jonty also shares his unique perspective from decades in professional sport - including how technology and social media have changed the mental landscape for athletes today.

In this episode you’ll learn:

• What BDNF is and why it matters for brain health
• How intermittent fasting affects the brain and metabolism
• The real causes of brain fog and how athletes overcome it
• Why sleep timing may matter more than you think
• The impact of phones and social media on modern athletes
• What HRV (Heart Rate Variability) reveals about stress and recovery
• How box breathing can instantly calm the nervous system

Whether you’re interested in longevity, peak performance, or mental clarity, this episode offers practical insights grounded in science and real-world experience.

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How do we maintain muscle, strength, and mobility as we get older?

In the first episode of Jonty & The Doc, physician Dr. Marcus Ranney and cricket legend Jonty Rhodes dive into an important topic many people overlook - muscle health after the age of 40.

As we age, our bodies naturally begin to lose muscle mass and strength. Dr. Marcus explains how this decline happens, why it matters for long-term health and longevity, and what we can do to slow it down. From resistance training and protein intake to sleep, nutrition, and daily movement, the conversation explores practical ways to stay strong as we age.

Jonty shares insights from his own journey - from professional cricket and elite fitness to surfing, lifestyle habits, and staying active in his 50s. Together, they unpack how small daily habits like climbing stairs, staying active outdoors, and maintaining good sleep and nutrition can have a powerful impact on long-term health.

This episode sets the tone for the podcast - combining science, real-life experience, and practical health insights to help people live healthier, stronger lives.

Listen to the full episode to learn how to build strength, prevent muscle loss, and rethink aging.

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