Science Salon

“Nothing about the biology of exercise makes sense except in the light of evolution, and nothing about exercise as a behavior makes sense except in the light of anthropology.” In this myth-busting book, Daniel Lieberman, professor of human evolutionary biology at Harvard University and a pioneering researcher on the evolution of human physical activity, tells the story of how we never evolved to exercise — to do voluntary physical activity for the sake of health. Using his own research and experiences throughout the world, Lieberman recounts how and why humans evolved to walk, run, dig, and do other necessary and rewarding physical activities while avoiding needless exertion. As our increasingly sedentary lifestyles have contributed to skyrocketing rates of obesity and diseases such as diabetes, Lieberman argues that to become more active we need to do more than medicalize and commodify exercise. Shermer and Lieberman also discuss: evolutionary and anthropological perspectives on physical activity, why we