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BMI calculation and causes of Obesity

body mass indexBMI is body mass index and is an objective evaluator of normal weight according to size.

A healthy weight is one that places the body mass index (calculated using height and weight) between 18.5 and 24.9 values – the range set by the World Health Organization. If your weight exceeds this range, it not only affects the way you look, but begins to deteriorate your health.

Calculate your Body Mass Index (BMI) to see what category you enter using the formula:

BMI = weight (kg) / height [squared] (cm)

BMI <18.5 = sub-weight

BMI 18.5 to 24.9 = normal weight

BMI 25 to 29.9 = overweight

BMI 30 to 39.9 = Obesity

BMI> 40 = morbid obesity

Here are some of the factors of obesity

Risk factors and / or causes of obesity

1. Genetic Predisposition:

– 25-75% involved

– Family aggregation:

  • Two obese parents risk of 80%
  • One obese parent 40% risk of obesity
  • without an obese parent the risk for obesity is 10%

2. Individual factors, socioeconomic and lifestyle

– Age. With the aging the ability of metabolic caloric intake of the body decreases. In general it’s a slow decrease, after age of 30 years. Menopausal women may have a new spurt in weight gain due to hormonal imbalance new appeared.

– Gender (W>M). If you are a woman perfectly healthy and lean, and have taken to much in weight after a childbirth with bleeding and have not breastfeeding, ask as soon as possible an endocrinologist.

– Low level of education and socioeconomic.

– Unhealthy diet rich in animal fat and low in fiber

– Quitting smoking is immediately followed by a slight increase in weight but then is quickly corrected by a healthy diet. Fear of weight gain should not be an obstacle to smoking cessation.

– Reduced physical activity. Even 30 minutes of walking daily is useful.

– Occupation (sedentary)

– Drugs: psychotropic (lithium, amitriptyline), isoniazid, corticosteroids, insulin, sulfonylureas. The adverse effects of these drugs are known by prescribing doctors who will recommend you a diet to be followed. Follow it and if you observe a gain in weight, tell your doctor who prescribed it and not let go of it.

– hypothyroidism.




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