In this episode, we dive deep into the science of VO2 max with internationally renowned sports cardiologist Professor André La Gerche. From wearable tech to elite endurance, we explore the myths, metrics, and meaningful takeaways around one of the most talked-about fitness indicators.

• Is My Watch Accurate?
  How reliable are consumer VO2 max readings, and what should you look for in the data?

• Capacity vs. Efficiency
  VO2 max isn’t just about your lungs — what does it really measure, and does it mean you have a larger or stronger heart?

• Ventilatory Threshold vs. VO2 Max
  Why your ventilatory (or lactate) threshold may be a more practical measure of performance than VO2 max alone.

• Lessons from the Sub-2 Hour Marathon
  What the historic attempt taught us about oxygen uptake, training zones, and human potential.

• Longevity and VO2 Max
  Does a higher VO2 max translate into a longer life? We discuss what the research says about fitness, ageing, and disease risk.

• Building vs. Losing VO2 Max
  How to improve your VO2 max through training — and how quickly it can decline without it.

Whether you’re a weekend warrior, elite athlete, or health enthusiast, this episode discusses the science and practical applications of VO2 max in a clear, evidence-based conversation.

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Does exercise "waste" heartbeats?

Can you use up your heartbeats by exercising? Is there a smart way to manage them?

Professor André La Gerche breaks down what we know—whether exercise actually "spends" your heartbeats, how to use them wisely, and what the latest research says.

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Every year, Sudden Cardiac Death claims the lives of 500 Victorians under 50—three to four times more than road accidents. In this episode, we explore the causes, risk factors, and misconceptions of Cardiac Arrests, Sudden Cardiac Death, and Heart Failure. We dive into the role of genetics, the challenges of screening, and what family screening looks like for those with a history of cardiac arrest. Plus, we break down the critical importance of CPR and defibrillation, the complex relationship between exercise and heart health.

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