Too much of a good thing: how four key survival traits are now killing us

Introduction

Part I. The pros and cons of four key human survival traits. How our bodies became what they are

Hunger, food, and the modern epidemics of obesity and diabetes

Water, salt, and the modern epidemic of high blood pressure

Danger, memory, fear, and the modern epidemics of anxiety and depression

Bleeding, clotting, and the modern epidemics of heart disease and stroke

Part II. Protecting our bodies in the modern world. Can our genes evolve fast enough to solve our problems?

Changing our behavior

Changing our biology.