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2. INTRODUCTION
Body mass index (BMI) it is a value derived from the mass
(weight) and height of an individual.
 The BMI is defined as the body mass divided by the square of
the body height, and is universally expressed in units of kg/m2,
resulting from mass in kilograms and height in metres.
 BMI is also called Quetelet index.

3. CALCULATING BMI
To work out your BMI:
 Divide your weight in kilograms (kg) by your height in metres (m)
 Then divide the answer by your height again to get your BMI
For example:
 If you weigh 70kg and you're 1.75m tall, divide 70 by 1.75 – the answer is
40,then divide 40 by 1.75 – the answer is 22.9
Therefore, your BMI is 22.9kg/m2.

4. IMPORTANCE OF BMI
 The BMI is an attempt to find the amount of tissue mass in an individual,
and then categorize that person as underweight, normal weight,
overweight, or obese based on that value.
 Commonly accepted BMI ranges are underweight: under 18.5 kg/m2,
normal weight: 18.5 to 25, overweight: 25 to 30, obese: over 30.
 This general correlation is particularly useful for consensus data regarding
obesity or various other conditions because it can be used to build a
semi-accurate representation from which a solution can be found.
 This is becoming more important to the growth of children, due to the
fact that the majority of children are inactive.

5. SCIENTIFIC REASONING TOWARDS
BMI RATIO
 BMI is supposed to estimate the amount of body fat a person carries based
on height and weight, and categorizes people based on what is appropriate
for their size between 18.5 and 24.9, you’re considered normal.
 But in recent years, more researchers argue that it’s not the most accurate
way to measure body weight. For years, scientists have said that BMI can’t
distinguish between fat and muscle and place people into overweight status,
even if their fat levels are low.
 BMI is a easy measurement for doctors to find whether their patients are at
high or low when it comes to weight-related health problems.
 BMI may still prove useful, if doctors combine BMI with a comprehensive
evaluation of their patients’ medical history and lifestyle habits to get a
picture about weight-related health problems.