Encyclopedia is a great starting point. You'll find a reference library of knowledge on everything from developing healthy eating habits to determining your target heart rate. Fitness Encyclopedia contains tools, charts, tips, and tables that will help you learn more about diet and exercise and how they affect your health.

Don't know the meaning of a particular term? Click on 'definitions' to uncover an alphabetical listing of fitness and nutrition terms with concise, easy to understand explanations.

When it comes to nutrition and fitness, the more you know, the better prepared you are to take control of your body and your health!