Oh god this book is terrifying. It made me very aware that I have a brain made out of fallible meat parts, and that a small thing fucking up one of those meat parts would turn me into a raving lunatic. Which is exactly what happened to the author.

The book only exists because the damage is reversible, but the amazing thing is that once her disease is diagnosed, 200 people are found to be treatable. That means god knows how many women were living ordinary happy lives and then got sick and went mad from this disease, never knowing how or why.