What does "BMI" stand for and what does it measure?

The term "BMI" stands for Body Mass Index, and it is a standardized measure used to evaluate body fat based on an individual's height and weight. This calculation provides a useful tool for assessing whether a person has a healthy body weight for a given height, helping to categorize individuals as underweight, normal weight, overweight, or obese. This categorization is significant because it can help predict potential health risks associated with body weight, such as heart disease, diabetes, and other conditions linked to obesity.

BMI is calculated using the formula: weight in kilograms divided by height in meters squared. This straightforward mathematical approach does not distinguish between muscle and fat, which can be a limitation, but for many populations, it provides a practical screening tool. By understanding BMI, educators and health professionals can guide individuals in maintaining a healthy lifestyle through proper nutrition and physical activity.