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BMI (Body Mass Index) is a widely used measure to determine if an individual is underweight, normal weight, overweight, or obese based on their height and weight. It is calculated by dividing an individual's weight in kilograms by the square of their height in meters (kg/m^2).
A healthy BMI is generally considered to be between 18.5 and 24.9, with a value below 18.5 indicating underweight, between 25 and 29.9 as overweight, and a value of 30 or above as obesity.
It's important to note that the categorization of normal weight, overweight, and obesity is based on the World Health Organization (WHO) guidelines. However, different organizations and healthcare professionals may have different definitions and ranges.
| BMI (kg/m^2) | Category |
|---|---|
| < 18.5 | Underweight |
| 18.5 - 24.9 | Normal weight |
| 25 - 29.9 | Overweight |
| ≥ 30 | Obesity |
BMI is a simple, widely used measure of body fat based on an individual's height and weight. While it has its limitations, it can provide a general idea of whether a person is underweight, normal weight, overweight, or obese, but should not be used as the sole determinant of one's overall health.