Body Mass Index - Calculate Your Own
Body Mass Index (BMI) is
widely used to as a tool to determine an individual's
optimum body weight. It is essentially the relationship
between a person's weight and height. The simple formula (*) used to calculate it is:
BMI= (Weight in Kilograms) / (Height in meters squared)
This measure also known as the Quetelet Index was developed around 1830 to 1850 and is attributed to a Belgian named Adolphe Quetelet.
Generally, BMI of 20 to 25 is considered healthy. BMI of less than 20 suggests an individual is underweight while 25 to 29 indicates an
overweight person. 30 and above is a sign of obesity.
BMI provides an estimation of fat content in a person's body. Although research has confirmed a strong correlation between fat content and BMI, results may vary from group to group. For instance athletes may develop significantly higher muscle mass.
Muscle contributes more to overall weight than fat. As a result their BMI may be higher than average despite a lower fat content. Conversely, elderly people who have suffered some deterioration of muscle mass may have lower BMI with higher fat content.
Higher BMI's are linked with greater risk of disease and death. Persons with a BMI of 25 to 29 have a higher risk of coronary heart disease, strokes, type 2 diabetes, hypertension (high blood pressure), sleep apnea and respiratory problems, high LDL (bad) cholesterol and low HDL (good) cholesterol.
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