Obesity Weight Loss Description

 Any person who has extra fat accumulation which might pose risk to health can be called obese or overweight.Obesity is known to be linked with various chronic illness - diabetes/cardiovascular diseases, osteoarthritis and cancers

Obesity in adults

As per WHO, overweight or obesity is defined as abnormal or excess fat accumulation  that presents a risk to health
Obesity is the 5th leading risk of global deaths and currently more than 1 in 10 of the  worlds adult population is obese and possess risk of chronic disease - diabetes, cardiovascular  disease, osteoarthritis and cancer
At least 2.8 million people each year die as a result of being overweight or obese  
Globally, 44% of diabetes, 23% of ischaemic heart disease and 7–41% of certain cancers are attributable to overweight and obesity.

Measurement-How do u measure obesity

It can be measured either by calculating BMI ie body mass index for that persons age and gender or by measuring
waist circumference.

BMI calculation - the weight in kilograms divided by the square of the height in meters (kg/m2) – is a commonly
used index to classify overweight and obesity in adults



BMI table

Category BMI
normal 18.5 - 24.9
Overweight 25 - 29.5
Obese >30

BMI
i. Class  130 to 34.9
ii.Class 2  35 to 39.9.
iii. Class 3  40 and over (morbidly obese)

Click here to calculate your BMI

But BMI does not necessarily measure for excess fat accumulation, for eg., - athletes may have high BMI owing to their muscle mass, therefore waist circumference is used as  a measure of central obesity and it is found to be more effective in assessing the risk of complications.
Waist Circumference 

Measurement of waist circumference as an indicator of excess visceral fat, it is regarded as a more accurate indicator of risk than BMI in considering associated health risks.it is measured by using a tape measure placed midway between the lower ribs and the highest point on the hip bone called iliac crest and keeping the tape parallel to the floor. 
  • For men, waist circumference of less than 94 cm is low,94–102 cm is high and more than102 cm is very high.
  • For women, waist circumference of less than 80 cm is low, 80–88 cm is high and more than 88 cm is very high.
  • What causes someone to be obese ?

    The cause of obesity is based on simple principle of heamodynamics ie. difference of energy consumption and expenditure. and therefore treatment also depends on the above principle ie reducing the energy consumption and increasing the expenditure The energy stores in our body are the difference of the energy consumed and expenditure. Therefore excess consumption, as a result of unhealthy eating habits/over eating: and similarly reduced expenditure - lack of exercise/inactive life style can cause excess fat accumulation leading to obesity


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