Business
Dr. Marcus Ranney is a physician, entrepreneur, explorer, and founder of Human Edge, a longevity science company focused on helping individuals and organizations improve health, energy, and performance. He is the author of At the Human Edge and Good Stress, Bad Stress, and has led scientific expeditions to some of the world's most extreme environments, including Mount Everest.
In this episode, Marcus joins Subbu to explore what it really takes to live longer, healthier, and more energetic lives, and why many of the biggest breakthroughs in longevity have less to do with hacks and more to do with everyday habits.
We explore:
- How Marcus's Mount Everest expedition shaped his views on leadership, risk, and resilience
- Why the journey matters more than the summit, both in the mountains and in life
- The fascinating role of mitochondria in energy, performance, and healthy aging
- What longevity science actually tells us—and the myths we should stop believing
- Why exercise remains the single most powerful intervention for living a longer, healthier life
- The difference between good stress and bad stress, and why stress isn't always the enemy
- Practical ways to build healthy stress into everyday life through movement, recovery, and lifestyle choices
- How Human Edge helps individuals and organizations improve health through a data-driven, lifestyle-first approach
- Why organizations are beginning to see employee energy and health as strategic business priorities
- Simple daily habits that can improve health without making life more complicated

