1. Introduction to BMI
Body Mass Index (BMI) is a simple calculation using a person’s height and weight. It’s widely used to categorize individuals into weight categories that may lead to health problems.
2. How to Calculate BMI
The formula for BMI is:
BMI = weight (kg) / [height (m)]²
For example, a person weighing 70 kg and 1.75 meters tall would have a BMI of:
70 / (1.75 × 1.75) = 22.86
3. BMI Categories
According to the World Health Organization (WHO):
- Underweight: BMI less than 18.5
- Normal weight: BMI 18.5–24.9
- Overweight: BMI 25–29.9
- Obese: BMI 30 or more
These categories help identify potential health risks associated with different body weights.
4. Limitations of BMI
While BMI is a useful screening tool, it doesn’t directly measure body fat. Factors like muscle mass, bone density, and overall body composition aren’t accounted for. Therefore, athletes or individuals with high muscle mass may have a high BMI but not have excess fat.
5. Tips for Maintaining a Healthy BMI
- Engage in regular physical activity.
- Adopt a balanced diet rich in fruits, vegetables, and whole grains.
- Monitor your weight regularly.
- Consult healthcare providers for personalized advice.
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