Below 20

You're fine...if you aren't suffering from a disease that is causing you to be underweight, such as cancer

20 - 25

You're doing something right.  People in this range live the longest

26 - 30

You're overweight, and have an increased risk of developing high levels of blood cholesterol, blood pressure, and blood insulin

31 - 40

You're obese and at risk for diseases such as diabetes, heart disease, cancer, and diseases of the digestive tract

Over 40

You're morbidly obese and at risk for diseases such as diabetes, heart disease, cancer, diseases of the digestive tract, pulmonary disorders and osteo-arthritis.  The time to act is NOW!!!