As overweight refers to weight increase above normal accumulation of adipose tissue.
A significant increase in body weight than normal is referred to as obesity and is associated with the risk of health problems. Since the mid-20th century, the world is constantly increasing percentage of overweight and obese people.
Simple and very useful guide is the BMI (body mass index), which is calculated by dividing body weight in kilograms and the square root of height in meters.
As normal is considered to be a BMI between 18.5 and 24.9. BMI between 25 and 29.9 indicates overweight BMI above 30 already indicates obesity.
This indicator, however, is not completely reliable, disregard the how the body weight involved muscles and the adipose tissue, take into account factors such as age and gender, etc. Build may have a BMI increased, yet does not have excess fat, while someone who has not any sport, BMI may be normal, but still has a lot of fat and little muscle tissue. Therefore, when investigating the nutritional condition sometimes use instruments which measure the orientation percentage of fat tissue in the body.
In terms of health complications it is important that the fat accumulates mainly in the abdomen (apple type) or on the hips and thighs (pear type). Increased adipose tissue on the abdomen is risky, so also evaluated waistline. 80 cm at the waist for women and 94 cm in waist men already can increase the risk of certain diseases.
Regarding associated diseases, with the increasing supply of adipose tissue increases the likelihood of diabetes, high blood pressure, heart attack also.
Cause overweight is receiving a large amount of food and lack of exercise.
Weight gain may also be subject to certain diseases, for example. Hypothyroidism or Cushing’s syndrome.
Being overweight can get rid of abiding by the principles of a healthy diet and sufficient movement. In case of sudden significant weight gain should see a doctor to rule out endocrine disorders.
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