Hotwired

In Hotwired, Gifford delivers a highly researched, rigorous examination of a potent, often-underutilised hormetic stressor: thermal exposure. This book moves beyond anecdotal claims…and provides a critical synthesis of the evidence demonstrating how hyperthermia can enhance endurance, improve metabolic health and generate the protective physiological changes necessary for extending healthspan. * Peter Attia, #1 New York Times bestselling author of Outlive *HOTWIRED is a gripping investigation into the power of heat and how it shaped our evolution and can still transform our physical and mental health today. Bill Gifford makes the science come alive, reminding us that the path to a stronger body and mind often runs straight through discomfort. * Michael Easter, New York Times bestselling author of The Comfort Crisis and Scarcity Brain *Read this book! Hotwired is a masterpiece of story-driven science that unpacks that health benefits of heat, and ultimately reveals how sweating together can not only make us healthier, but happier and more connected. * Dan Buettner, National Geographic Fellow, New York Times bestseller and founder of the Blue Zones *Hotwired is revelatory, a fascinating exploration of heat as a fundamental pillar of health. With scientific rigor and narrative grace, Gifford illuminates how thermal stress activates our deepest biological pathways toward resilience, metabolic optimisation and authentic longevity. This is essential reading for anyone committed to understanding the potential transformative alchemy of their own physiology. * Sara Szal, MD, New York Times bestselling author of The Hormone Cure and Women Food and Hormones *

Bill Gifford is a veteran magazine writer and editor who writes about extraordinary athletes and cutting-edge health science. He is co-author of the #1 New York Times bestseller, Outlive, which has sold more than two million copies worldwide, as well as the New York Times bestseller Spring Chicken- Stay Young Forever (Or Die Trying). He is a longtime contributing editor at Outside, and his work has appeared in Wired, Bloomberg Businessweek, Men’s Health, Bicycling, Slate and Best American Sportswriting.