Viruses can make you fat — and your dirty-fingered friends can give these viruses to you. That is the punch line — a known truth about the world. The set-up, though, is longer in the telling. It begins with a boy named Nikhil living in India. When Nikhil Dhurandhar was young, his father directed a large obesity clinic in Bombay. Throughout his childhood, Nikhil saw thousands of his father's obese patients. They came in for some cure, whether salve or salvation. Instead, they received, again and again, the same advice: "Move more. Eat less." It is what doctors around the world tell ... Read More