Prologue: The Staircase
Your DNA stretches to the sun and back 600 times -- and it remembers every environment your ancestors ever lived in. The gap between what it expects and what you give it is making you sick.
◆ Key Insights
3.8 billion years of survival instructions are encoded in your cells -- and your modern lifestyle violates most of them
Yuval Noah Harari's 'luxury trap' explains why every technology meant to make life easier makes it harder to go back
Agriculture, industry, and digital technology each took you one more turn up the staircase -- and further from what your body needs
Harvard's Daniel Lieberman calls the result 'mismatch diseases': chronic conditions that didn't exist in ancestral environments
This book teaches you to read the longest document ever written -- the one inside your own cells
Read the full prologue to discover the framework that redefines how you think about every health problem you have.
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