As specialists in gastric bypass surgery in Vadodara, we are very aware of the doubts that exist around a disease that can affect both health, such as obesity. Something that we consider that everyone should be clear about is that there are different types and degrees of obesity so that they affect health in different ways.


As the World Health Organization indicates, obesity can be divided into different degrees based on the result in the measurement of the Body Mass Index (BMI). In this way, we can find four degrees of obesity:

  • Grade 1 obesity, with a BMI between 30 and 34
  • Grade 2 obesity, with a BMI between 35 and 39.9
  • Grade 3 obesity, with a BMI between 40 and 49.9
  • Grade 4 obesity, with a BMI over 50

A grade 2 or 3 obesity is already considered very serious, and, if it is found in grade 4, the obesity would already be extreme and the patient’s life would be at serious risk.


Obesity can be classified based on how fat is distributed in the body or its cause. If we take into account the distribution of fat, it is possible to have abdominal obesity, when there is an excess of fat located in the abdomen, face and thorax (apple shape); Peripheral obesity (pear-shaped, if the fat is in the thighs and hips; and homogeneous obesity, when it is distributed throughout the body.

As for the cause of obesity, we can find different types:

  • Obesity due to genetic inheritance.
  • Dietary obesity, due to a sedentary lifestyle and incorrect diet.
  • Due to imbalance, if there is some kind of imbalance, so the person is never satisfied and therefore always has the need to eat.
  • Nervous obesity: produced by the nervous system by altering the mechanisms of satiety. It is common in people with certain psychological problems.
  • Thermogenic default: when the body does not burn calories efficiently.
  • Obesity due to endocrine diseases: generated by diseases such as hypercriticism or hypothyroidism, for example.
  • By medications, in some cases.
  • Chromosomal obesity: associated with people with Turner or Down syndrome.

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