Your Environment Is Cleaner. Your Immune System Has Never Been So Unprepared.
Excerpted from “An Elegant Defense: The Extraordinary New Science of the Immune System,” published on Tuesday by William Morrow. Should you pick your nose? Don’t laugh. Scientifically, it’s an interesting question. Should your children pick their noses? Should your children eat dirt? Maybe: Your body needs to know what immune challenges lurk in the immediate…