This is a comprehensive and concise summary of why something we never evolved to do is healthy and rewarding by Daniel E. Lieberman. This comprehensive summary, contains chapter by chapter summaries of the original text. EXCERPT from the original ‘’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 without jargon how and why humans evolved to walk, run, dig, and do other necessary and rewarding physical activities while avoiding needless exertion.’’ This summary does not intend to replace the original book, rather to serve as a guide to you in enjoying and understanding the original book. Order yours now.