What is the relationship between Nature and Nurture and can you Biohack your way to surpass the extreme limits of human physiology? These are just some of the questions Dr Marcus Ranney will be talking about in this episode of Perishable Wisdom. While talking about his book "At The Human Edge" Marcus goes into detail about his own experiences of running marathons, climbing mountains and working as a clinical physician.  He also talks about some of the exceptional individuals who have broken records, almost lost their lives and people who continue to work towards breaking the human physiological limitations. Shayamal and Marcus discuss some of the recent technological advancements made in the field, is fasting impactful, central governor theory and more. Dr Marcus Ranney is a clinical physician, a marathon runner and someone who'd been on expeditions to Mt. Everest and Arctic Circle and the European Alps. Not just that he has also served as a Medical officer with the Royal Airforce and Nasa's Kennedy Space Center and was named the World Economic Forum Global Shaper.  Connect with us: Marcus - Instagram and Twitter Shayamal - Instagram and Twitter Perishable Wisdom - Instagram Find us at http://wyn.studio See omnystudio.com/listener for privacy information.