“Constantly fascinating and impeccably reported...You won’t look at yourself in the same way again.” —Ed Yong, bestselling author of An Immense World and I Contain Multitudes

A captivating exploration of the remarkable ways our DNA mutates over the course of our lives, with radical implications for the future of medicine

Our DNA is the indispensable set of instructions that guides our growth and vitality. The common misconception is that this molecular blueprint stays the same throughout our lives. In reality, the genetic makeup of our cells is continuously mutating, from the moment we are conceived until our last breath. The hidden changes that amass in our genomes can have a huge influence on our health.