WebMD
Web Md: Fitness
An in-depth discussion of fitness can be found at WebMD's site. Read about what exactly fitness is, the benefits of being fit, the three components of fitness, how one goes about getting fit, and more. Links to related information are...
WebMD
Web Md: Fitness: Why Should I Exercise?
The long-term and short-term benefits of being fit are listed here. Also, in the "Topic Contents" bar to the right of the article, click on the three different types of fitness (flexibility, aerobic, and muscle-strengthening) for a chart...