Losing Weight Quiz

Weight problems are on the increase — the number of Australians who are overweight or obese has risen dramatically in the last 20 years. How much do you know about effective ways to lose weight? Find out with our 10 true-or-false statements.

1. Measuring your body mass index can give an indication of whether you are overweight.

A. True
B. False

The correct answer is

Advice from myDr

Your body mass index (BMI) is an approximate measure of your body fat, based on your height and weight. Your BMI can be calculated by dividing your weight in kilograms by your height in metres squared (kg/m²). The World Health Organization weight categories for adults are:

healthy weight (BMI of 18.5 to 24.9);
overweight (BMI of 25 to 29.9); and
obese (BMI of 30 or more).

Doctors usually use your BMI in combination with a measurement of your waist circumference to determine if you are overweight.

These BMI measurements and ranges aren't suitable for everyone. Bodybuilders or elite sportspeople, for example, can have a high BMI, but this is due to their muscle bulk rather than excess body fat. Also, the ranges for overweight and obesity vary for different ethnic groups. For example, Asians may be overweight at a BMI of 23 or more and obese at a BMI of 25 or more.

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This page last updated : Friday, 16 May 2008
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