Its hard to make predictions, particularly about the future (Yogi Berra). And yet, we are stepping into a revolution where we will soon be able to spend time extending our health rather than spending time treating our diseases. This revolution started with understanding cells, but it is marching through cities and countries. So it is a time to start look-ing further into the future and contemplate the trade-offs of this revolution. Thomas Ramge reports the present in sim-ple ways and looks at the future biologically and philosophically. Nir Barzilai, MD, Albert Einstein College of Medicine Most people think longevity is complicated, but its not. Reducing the risk factors for common lifestyle diseases is al-ready half the battle. If you want a clear, actionable understanding of how simple living longer can be, you must read this book! Prof. Dr. Eike Latz, Charité Berlin Most of us want to live long, fulfilling lives but are oblivious to the big picture consequences. If you want to under-stand what longevity means for humanity, you must read this book! Prof. Dr. Viktor Mayer-Schönberger, University of Oxford The conquest of ageing may become a defining achievement of our era. This book examines the scientific frontier of longevity and its ethical, philosophical, and societal ramifications. And it will confront you with a future in which a 200th birthday may no longer be extraordinary. A brilliant read! Rafael Laguna de la Vera, Director of the Federal Agency for Breakthrough Innovation (SPRIND) Longevity is no longer just the obsession of fringe scientists and Silicon Valley billionairesits becoming a reality for all of us. In Longevity, Thomas Ramge offers a thoroughly researched and remarkably readable guide to the science, promises, and pitfalls of longer life. Cutting through hype and marketing spin, he lays out the facts and confronts the personal and societal challenges that come with the age of longevity. Prof. Dietmar Harhoff, PH.D., Max Planck Institute for Innovation and Competition