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What is Obesity?

What is Obesity

Obesity is not just a gain in weight and excess accumulation of fat. It is a complex psycho pathological condition ultimately resulting in an excess of body weight.

Indian Scenario
India is one of top ten obese patients in the world today. 120 million urban Indians are obese today. 45% of female population in metros is obese. It is a major problem affecting Indian society.

It is a major health problem affecting globally, and is like an epidemic in 21st century.
This is due to bad food habits like eating high caloric junk food, leading a sedentary life style. This has a net caloric gain effect and accumulation of body fat ultimately causing obesity.

BMI Calculation
BMI is not how you look, but rather an indication of the effect of your weight on your health. As BMI increases your risk of health also increases.
It is a simple index of a ratio of weight (in kg)/ height (in mtr2) that is used to asses the obesity. It is a very useful population level measure as it is same for both sex. BMI of more than 25 is considered as over weight, and BMI more than 30 as an

WHO Classification of Obesity :


Underweight Less than 18.5
Normal 18.5 - 24.5
Overweight 25 - 29.9
Class I Obesity 30 - 34.9
Class II Obesity 35 - 39.9
Class III Obesity 40 - 49.9
Super Obese >50

Health Risk Obesity
Obesity doubles the risk of early deaths if one’s weight is more than twice the ideal. It also involves 5-7 times greater risk of death due to Diabetis or My-cardial Infarction. They also have high incidence of cancers. People who are obese (BMI : 30 to 34.9) have 9% (female) or 23% (Male) increased risk of death from cancer. Thus obese patients do not live long as compared to general population & have a reduced life expectancy. It has numerous negative social, psychological and economic repercussion on obese patient.

Co morbid conditions
Hypertension          Diabetes mellitus [Type II]
Hyperlipidemia       Gastro esophageal reflux
Sleep apnoea         Osteoarthritis
Infertility                 Menstrual disorders

Management of overweight & obese patients

BMITreatment Options
20 - 25 Exercise
  Diet Modification
  Life style management
25 - 30 Exercise
  Low calorie diet
30 - 35 Low calorie diet Exercise
35 - 40 Low calorie diet
40 - 50 Surgery
More than 50 Surgery