A neuroscientist takes readers on a journey around the world and through history, from nineteenth-century Germany to present day India, to examine the science and scientists working to find a cure to Alzheimer's disease.

Alzheimer's is the great global epidemic of our time, affecting millions worldwide. Jebelli, a neuroscientist, takes us behind the headlines and into his quest from nineteenth-century Germany and post-war England through America, India, China, Iceland, Sweden, and Colombia. Researchers are changing the way we think about the disease, but until a cure is found Jebelli provides an eye-opening guide to the threat one in three of us faces now.