2. Defination
• Body mass index (BMI) is a measure of body fat based on height and
weight that applies to adult men and women.
• BMI is the latest tool to assess the amount of body fatness in a person.
• It is a calculation using a person's height and weight.
• It is a way of checking that a person is a healthy weight for their
height.
• Health professional use BMI to determine if one is underweight, a
healthy weight, overweight or obese.
3. • BMI can provide an indication of weight categories that could lead to
future health problem.
• BMI levels are interpreted differently for adults and children so
different BMI calculators are used.
• BMI or Quetelet index , is a value derived from the mass (weight) and
height of an individual.
4. Contd...
• The higher the BMI the more at risk the person is for having health
problem.
• Body mass index (BMI) is a value derived from the mass (weight)
and height of a person. 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.
5. BMI categories....
Category
BMI (kg/m2)
from to
Very severely underweight 15
Severely underweight 15 16
Underweight 16 18.5
Normal (healthy weight) 18.5 25
Overweight 25 30
Obese Class I (Moderately obese) 30 35
Obese Class II (Severely obese) 35 40
Obese Class III (Very severely
obese)
40
6. Consequences of elevated level in adults
The BMI ranges are based on the relationship between body weight and
disease and death.[26] Overweight and obese individuals are at an
increased risk for the following diseases:[27]
• Coronary artery disease
• Dyslipidemia
• Type 2 diabetes
8. Contd..................
• Infertility
• At least 10 cancers, including endometrial, breast, and colon cancer
• Epidural lipomatosis
• Among people who have never smoked, overweight/obesity is
associated with 51% increase in mortality compared with people who
have always been a normal weight.
9. Contd......
• The WHO regards a BMI of less than 18.5 as underweight and may
indicate malnutrition, an eating disorder, or other health problems,
while a BMI equal to or greater than 25 is considered overweight and
above 30 is considered obese.[12] These ranges of BMI values are valid
only as statistical categories.
10.
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18. Measures to bring BMI to normal
• Balancing calories in your food
• Healthy eating for healthy weight.
• Do physical activities to maintain your body mass
• Do yoga and exercise.
• Go for a walk daily.
