This brief version of the time-tested Concepts of... books provides the basic information that students need in order to start developing healthy lifestyles through the use of activity labs and logs. The text's proven conceptual format (offering brief concepts rather than chapters) presents information in a useful and concise way, and its focus on process or lifestyle changes, with early coverage of planning, enables students to apply the concepts immediately. It is one of three Concepts texts now available at the same time, each offering a distinct topical emphasis.