Kathleen McAuliffe
Science and Health Writer, Freelance

Kathleen McAuliffe is an award-winning writer whose work has appeared in The New York Times, Smithsonian, Discover and The Atlantic, among others. Her latest book is This Is Your Brain on Parasites: How Tiny Creatures Manipulate Our Behavior and Shape Society (2016). She lives in Miami.

Written by Kathleen McAuliffe

Image courtesy The British Library

Social psychology
Disgust made us human

Our ancestors reacted to parasites with overwhelming revulsion, wiring the brain for morals, manners, politics and laws

Kathleen McAuliffe