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OBESITY- AN OVERVIEW
Ms. Dt. NEELAM SHARMA
About the author

OBESITY

 

 

 


 
Overweight and obesity are defined as abnormal or excessive fat accumulation that presents a risk to health. A crude population measure of obesity is the body mass index (BMI), a person’s weight (in kilograms) divided by the square of his or her height (in metres). A person with a BMI of 30 or more is generally  overweight.

Overweight and obesity are major risk factors for a number of chronic diseases, including diabetes, cardiovascular diseases and cancer. Once considered a problem only in high income countries, overweight and obesity are now dramatically on the rise in low- and middle-income countries, particularly in urban settings.

The fundamental cause of obesity and overweight is an energy imbalance between calories consumed and calories expended.

 

 Globally, there has been:

·         an increased intake of energy-dense foods that are high in fat; and

·         an increase in physical inactivity due to the increasingly sedentary nature of many forms of work, changing modes of transportation, and increasing urbanization.

 

Changes in dietary and physical activity patterns are often the result of environmental and societal changes associated with development and lack of supportive policies in sectors such as health, agriculture, transport, urban planning, environment, food processing, distribution, marketing, and education.

 

Causes

1.       excessive food

2.       lack of exercise

3.       genetics

Treatment

1.      Diet

2.      Exercise

3.      Medications

4.      Surgery

 

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