EXERCISED

An accomplished intellectual explains our need to be regularly physical.

While there are plenty of generalities that apply to exercise—it’s good for us, it may help prevent disease, it’s best done regularly—most of the important elements are personal and variable. Near the beginning of his latest, Harvard paleoanthropologist Lieberman states, “this is not a self-help book.” Indeed, the narrative is more of a thoughtfully organized natural history than a straightforward how-to guide. In appealing, accessible language, the author tells interesting stories and only seldom slips into the weeds—e.g., overly long discussions of the daily lives of hunter-gatherers. He also addresses relevant topics that regularly generate misinformation: “Is sitting the new smoking? “Is it bad to slouch? Do you need eight hours of sleep?” As the author notes, many Americans don’t get enough exercise, so some may wonder how many will desire a pure history of something they don’t do and don’t like. Nonetheless, Lieberman adds useful context regarding the why of exercise—we didn’t evolve to spend time on treadmills, yet exercise seems essential in a post-industrial age—and readers will want to know what to do with this compelling information. The author suggests some answers, such as in a section on how exercise might be applied to combat certain common ailments. An example: “This one is easy: cardio is better than weights for obesity.” It wouldn’t be hard to find personal trainers who quibble with that statement. After all, is the goal sustained weight loss or the most weight loss in a specific period of time? How old/healthy/overfed/active is the person? While readers may not be convinced by such statements as “make exercise necessary and fun,” the author successfully makes use of “evolutionary and anthropological perspectives to explore and rethink dozens of myths about physical inactivity, activity, and exercise.”

A good choice for those seeking a macro view of the history of movement. For what to do about it, hire a trainer.