The difference between obesity and overweight can be described as a mere label. You will have a different label depending on your Body Mass Index (BMI), which is calculated from your height and weight. Being either overweight or obese is dangerous, and should be addressed immediately with a complete weight loss diet and workout routine.

To classify as overweight, a person requires a BMI of 25 to 29.9. In order to determine a person's BMI, you generally just take the body weight divided by the square of their height. This gives us an idea of how much excess fat someone is carrying. A person with a BMI of 20 to 24.9 is generally considered to be within the normal healthy range of a human being. Some athletes, especially bodybuilders may have a higher BMI, but this usually doesn't mean that they are carrying too much fat.

Obesity is a condition where a person's BMI is excessively high, between 30 and 39.9. This is considered to be even more dangerous than being merely overweight. Obviously, the pattern is basically the higher the BMI, the more likely to be unhealthy you are.

Obesity is not the worst level on the Body Mass index. A person with a mass of 40 and over is considered to be morbidly obese. These are the people who have severe trouble getting around the house, and who generally require assistance doing everyday tasks.

If you know where you stand on the Body Mass Index, and are not within normal range, consider going on a diet and starting a regular exercise routine. It may save your life.

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