What the Body Knows: A Guide to the New Science of Our Immune System

A leading scientist’s guide to the way our immune system protects us—but only most of the time

What is our immune system, and how does it work? A vast array of cells, proteins and chemicals spring into action whenever our bodies are damaged, but immunity is not something you can see, touch, or feel. It can fight off malicious bacteria and viruses, locate cancerous growths, and even rewire our brains—but sometimes our own tissues can get caught in its crossfire, with catastrophic consequenc...