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

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.

To build healthy diet and exercise habits that will last a lifetime and enable you to achieve your goals, you must eliminate frictio...