class 3 obesity
class 3 obesity
So obesity classes
Category BMI (kg/m2)
Underweight < 18.5
Normal weight 18.5 – 24.9
Overweight 25.0 – 29.9
Obese (class I) 30.0 – 34.9
Obese (class II) 35.0 – 39.9
Obese (class III) ≥ 40.0
Obesity causes
Diabetes mellitus[2] Polycystic ovarian syndrome[2] Menstrual disorders[2] Infertility[2][66] Complications during pregnancy[2][66] Birth defects[2] Intrauterine fetal death[66] The "a calorie is a calorie" model of obesity posits a combination of excessive food energy intake and a lack of physical activity as the cause of most cases of obesity.[98] A limited number of cases are due primarily to genetics, medical reasons, or psychiatric illness.[17] In contrast, increasing rates of obesity at a societal level are felt to be due to an easily accessible and palatable diet,[99] increased reliance on cars, and mechanized manufacturing.[100][101] A 2006 review identified ten other possible contributors to the recent increase of obesity: (1) insufficient sleep, (2) endocrine disruptors (environmental pollutants that interfere with lipid metabolism), (3) decreased variability in ambient temperature, (4) decreased rates of ...
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