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"Obesity" A challenge of 21st century

Dhaka National Medical College & Hospital
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  • Business
  • Obesity
  • Biology
  • Ecology
  • Geography
  • Mathematics
  • Medicine


3 Editorial “Obesity” A challenge of 21st century Obesity is a leading preventable cause of death worldwide, with increasing prevalence in adults and children, one of the most serious public health problems of 21st century [1]. 2/3rd of the American adult are over weight and 1/3rd are obese. Number of over weight and obese is greater than underweight. There are three fold increase of obesity in the last two decades globally [2]. Silently and suddenly the peoples are killed by obesity. Obesity is a medical condition in which excess body fat has accumulated to the extent that it may have an adverse effect on health, leading to reduced life expectancy and increase health problems [3]. Primarily it occurs when intake of metabolic fuel is greater than the energy expenditure. Excess metabolic fuel is converted into fat by using different metabolic cycle involving the hormone and enzyme. Excess fat is deposited in the fat cells of the adipose tissue. When the fat cells reach its maximum size, further weight gain is continued by the proliferation of new pre- adipocytes. Fat cells once gained are never lost or die [4]. Body mass index (BMI) is the way to measure the fat content of the body. BMI which compares weight and height, defines people as over weight or Pre-obese if their BMI is between 25 and 30 Kg/m2, and obese when it is greater than 30Kg/m2 [5]. Obesity increases the likelihood of various diseases, particularly heart disease, hypertension, type-2 diabetes, stroke, renal failure, obstructive sleep apnea, certain types of cancer, and osteoarthritis. Obesity is most commonly caused by a combination of environmental overburden like excessive food energy intake, lack of physical activity, and genetic susceptibility. Although a few cases are caused primarily by genes, endocrine disorders, medications or psychiatric illness. Evidence to support the view that some obese people eat little yet gain weight due

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