Michael Shermer with Daniel Lieberman — Exercised: Why Something We Never Evolved to Do is Healthy

Skeptic January 5, 2021
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This channel is hosted by the Skeptics Society: a US 501(c)(3) nonprofit scientific and educational organization whose mission is to engage leading experts in investigating the paranormal, fringe science, pseudoscience, and extraordinary claims of all kinds, promote critical thinking, and serve as an educational tool for those seeking a sound scientific viewpoint. Our contributors—leading scientists, scholars, investigative journalists, historians, professors and teachers—are top experts in their fields. It is our hope that our efforts go a long way in promoting critical thinking and lifelong inquisitiveness in all individuals.

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Listen to The Michael Shermer Show # 150 (audio-only): http://bit.ly/MichaelShermerShow150 “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 never evolved to exercise, • physical activity vs. exercise, • sleep: how much do we really need? • walking vs. running; speed vs. strength, • endurance and aging: why exercise matters, • why we age and die, • exercise and diet, • Should we do weights, cardio, or high-intensity training? • Is sitting really the new smoking? • Is BMI really a useful measure? • exercise and disease: obesity, diabetes/metabolic syndrome, cardiovascular disease (and cholesterol), osteoporosis, Alzheimer’s, depression, and cancer, • immune systems and exercise, and • How much exercise should you get each week? Daniel E. Lieberman is Edwin M. Lerner Professor of Biological Sciences and professor of human evolutionary biology at Harvard University. He is the author of the national best seller The Story of the Human Body: Evolution, Health, and Disease. He lives in Cambridge, Massachusetts. This dialogue was recorded on December 21, 2020 as part of The Michael Shermer Show (formerly Science Salon) presented by The Skeptics Society, in California. Listen to The Michael Shermer Show via Apple Podcasts, Spotify, Amazon Music, Google Podcasts, Stitcher, iHeartRadio, and TuneIn. https://www.skeptic.com/michael-shermer-show/ Learn more about Skeptic https://www.skeptic.com/ SUPPORT THE PODCAST You play a vital part in our commitment to promote science and reason. If you enjoy the podcast, please show your support by making a donation. Your ongoing patronage will help ensure that sound scientific viewpoints are heard around the world. https://www.skeptic.com/donate/ #sciencesalon #michaelshermershow

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