What are the Classifications of Obesity

About 5% of obesity cases can be traced back to a primary disease, so that one can speak of secondary obesity. In 95% of cases, obesity is not an underlying disease, so it is classified as primary obesity referred to as.

The World Health Organization (WHO) has made a classification of overweight (degree of obesity) according to the BMI:


BMI
Normal weight18,5-24,9
Overweight (pre-obesity)
25,0-29,9
Grade I obesity 30-34,9
Obesity grade II 35-39,9
Obesity grade III
(Obesity per magna or morbid obesity)
over 40

In addition to the degree of obesity, the fat distribution is also decisive. From one central obesity (Android, abdominal, visceral fat distribution; male fat distribution pattern with emphasis on the abdomen, "apple type") is spoken if:

  • Man: waist circumference> 94 cm
  • Woman: waist circumference> 80 cm

Central obesity is one of the issues. associated with a significantly increased risk of cardiovascular disease.

Hyperplastic and hypertrophic obesity

Depending on whether the size or the number of adipocytes increases, obesity can be broken down into a hypertrophic and one hyperplastic form organize:

  • In the mild form of obesity there is mostly one hypertrophy (Increase in size) of fat cells.
  • Aprolonged overeating can in adulthood as well as in children Hyperplasia ("Excessive cell formation", i.e. an increase in the number of cells) of fat cells effect, whereby preadipocytes (precursor cells of adipocytes; adipocytes are fat-storing cells of white and brown adipose tissue) can differentiate under hormonal and diet-related influences, but can also regress due to a reduction in their fat content - after successful diets or diet changes.
     
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