-Christopher McDougall, New York Times bestselling author of Born to Run and Natural Born Heroes
"Spring Chicken is a masterful exploration of the fantasy and fact surrounding one of the most fundamental questions of humankind: why do we age?"
-David Perlmutter, MD, #1 New York Times bestselling author of Grain Brain: The Surprising Truth About Wheat, Carbs and Sugar-Your Brain's Silent Killers
"Spring Chicken is an utterly marvelous book - a guided tour of a fantastic, counterintuitive landscape (that happens to be your body), and also a whip-smart guide to living a longer and healthier life. With this book, Bill Gifford joins the ranks of Mary Roach and Bill Bryson as a science writer supreme, illuminating our world in a page-turning style that is as entertaining as it is enlightening."
-Daniel Coyle, New York Times bestselling author of The Talent Code
"Bill Gifford's terrific Spring Chicken gives us a riveting account of the most important change of the last century-the doubling of our lifespans-and an intimate vision of what it will take to not only keep that trend going, but keep ourselves healthy and vibrant as we age."
-Steven Johnson, New York Times bestseller of How We Got to Now
"Gifford skillfully navigates the many strands of aging research to create an entertaining narrative of the perils of getting old."
"An enlightening book-and a terrific read."
-The Wall Street Journal