'Startling...warm, delightfully curious'.

– Sunday Times

'An intoxicating mixture of deep reporting, fascinating science and sound advice'.

– Press Association

“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.”

– Daniel Coyle, New York Times bestselling author of The Talent Code

“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

“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 skilfully navigates the many strands of aging research to create an entertaining narrative of the perils of getting old.”

– Kirkus Reviews

"You need this book. I grabbed it like a life preserver, and that’s exactly what it is. Spring Chicken demolishes the worst hoaxes in anti-aging treatments — like crushed dog testicles, human growth hormone, and Suzanne Somers — and leaves you with the good news: by adopting a few easy-to-understand, easy-to- follow discoveries, you might just deactivate the time bombs in your fat cells and learn to follow in the springy, “successfully aging" footsteps of a 92-year-old pole vaulter."

– Christopher McDougall, New York Times bestselling author of Born to Run and Natural Born Heroes