An additional pathology, for those who are really trivia fans when it comes to stress-related disease, is “stress-related alopecia areata.” This is the technical term for that extraordinary state of getting so stressed and terrified by something that your hair turns white or gray over the course of days. This really does occur. The annotated notes at the end of the book detail the surprisingly frequent intersection of alopecia areata with law, history, and geopolitics.