Body mass index (BMI)
Body mass index (BMI) is a measure that is commonly used to assess whether an individual has a healthy body weight for their height. It is calculated by dividing a person's weight in kilograms by the square of their height in meters.
The formula for calculating BMI is as follows:
BMI = weight (kg) / (height (m))²
The resulting value from this calculation is a numerical representation of an individual's BMI. Based on the value obtained, the following categories are generally used to classify BMI ranges for adults:
Underweight: BMI less than 18.5
Normal weight: BMI between 18.5 and 24.9
Overweight: BMI between 25 and 29.9
Obesity (Class I): BMI between 30 and 34.9
Obesity (Class II): BMI between 35 and 39.9
Obesity (Class III): BMI 40 or higher
It's important to note that BMI is a general screening tool and does not take into account factors such as muscle mass, bone density, or distribution of fat, which can influence an individual's health. Therefore, BMI should be interpreted with caution and should be complemented with other assessments, such as waist circumference, body composition analysis, and individual health considerations, when determining an individual's overall health status.
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