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Welcome to the Body Fat Lab


Welcome to the Shape Up America! Body Fat Lab, an informative, interactive, fun way to learn more about your percent body fat and the role it plays in your overall health.

Visit TELL ME WHY to learn the value of knowing and tracking your percent body fat.

Not sure what the term "body fat" means or what percent of body fat is healthy for men and women? BODY FAT BASICS to find out the answers to these and other questions and to take the What's Your Body Fat I.Q. Test.

Learn more about what happens to your body fat during important phases of your life at BODY FAT THROUGH LIFE.

What are the consequences of having too little or too much fat? How is health risk assessed? The answer to these questions can be found at BODY FAT AND HEALTH RISK.

Visit MEASUREMENT TOOLS to learn more about how a person's percent body fat is determined and how each of these tools "measures up."

Want to find out YOUR percent body fat (if you don't already know it) and your associated health risk? Check out ALL ABOUT ME.

You know your percent body fat and associated health risk. What's next? TAKING ACTION can help you take these important next steps.

MY PROGRESS provides some simple tips for keeping track.


The Body Fat Lab is designed for adults aged 18 and older. It is not intended for pregnant and lactating women, the elderly/frail, and adolescents under the age of 18.