The Friction Factor: The Busy Person's Guide to Sustainable Diet and Exercise - Softcover

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Over 75 percent of Americans want to be more physically fit, but only about 3 percent of them succeed. Why do so many people fail? The answer is friction, the inefficient use of time and energy. Your drive time to the gym, those 90-minute workout classes, and tedious daily calorie counting are all sources of friction, and none of them are sustainable long term.

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