An early look at Longevity Switches

Thank you for being one of the first to believe in this book. Choose any one of the chapters below. When you're done, come back to this page and share your reaction in the short form at the bottom.

Chapter 1

How I Became a Zebra

Two weeks after she handed me my medical diploma, she became my first cardiac arrest. Years later I became the patient no one could explain, and that changed how I think about health.

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Chapter 4

The Kettlebell King

My grandfather survived the war, two escapes from captivity and the Gulag, then kept lifting kettlebells for decades and lived to nearly 95. His story opens the door to hormesis: why the right dose of stress makes us stronger and the wrong dose ages us.

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Chapter 7

Getting Fasting Done Right

One morning on hospital rounds I felt like I was flying, and it wasn't the coffee. What happens when your body flips its metabolic switch, and how to fast so it helps rather than harms.

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