The BMI method
BMI became popular as obesity started to become an increasing issue in the Western society. BMI provides a simple measure of a person’s “fatness” or “thinness”. BMI allows health professionals to discuss over- and under-weight problems more objectively with their patients.
Be aware that BMI is meant to be used as a simple means of classifying physically inactive individuals with an average body composition.
Ideal weight for adults
| BMI | Meaning | Ideal weight graph |
|---|---|---|
| under 18 | weight too low |  |
| 18 – 25 | normal weight | |
| 25 – 27 | weight a little too high | |
| 27 – 30 | weight too high | |
| 30 – 40 | weight far too high | |
| over 40 | danger |