THE QUOTE OF THE DAY .

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Friday, June 24, 2011

Obesity And Weight loss with Photoshop

BEFORE look for the face and cheeks also .

AFTER







 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/or increased health problems.


Body mass index  BMI :

 It is defined as the individual's body weight divided by the square of his or her height.
BMI = mass( kg ) / height ( m )square
 Body mass index (BMI), a measurement which compares weight and height, defines people as overweight (pre-obese) if their BMI is between 25 and 30 kg/m2, and obese when it is greater than 30 kg/m2 .


Obesity increases the likelihood of various diseases, particularly heart disease, type 2 diabetes, breathing difficulties during sleep, certain types of cancer, and osteoarthritis.




The most commonly used definitions, established by the World Health Organization (WHO) using the BMI is :
Any BMI between 20-25 is  overweight (pre-obese) and obese when it is greater than 30 kg/m2 .
Any BMI ≥ 35 or 40 is severe obesity
A BMI of ≥ 35 or 40–44.9 or 49.9 is morbid obesity
A BMI of ≥ 45 or 50 is super obesity


Causes of obesity :
 Obesity is most commonly caused by a combination of 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 to a slow metabolism is limited; on average obese people have a greater energy expenditure than their thin counterparts due to the energy required to maintain an increased body mass.


Treatment of obesity :
  • Dieting and physical exercise are the mainstays of treatment for obesity. Moreover, it is important to improve diet quality by reducing the consumption of energy-dense foods such as those high in fat and sugars, and by increasing the intake of dietary fiber. 
  • To supplement dieting and physical exercise  , or in case of failure, anti-obesity drugs may be taken to reduce appetite or inhibit fat absorption.
  • In severe cases, surgery is performed or an intragastric balloon is placed to reduce stomach volume and/or bowel length, leading to earlier satiation and reduced ability to absorb nutrients from food.
Mortality : 
Obesity is one of the leading preventable causes of death worldwide.Large-scale American and European studies have found that mortality risk is lowest at a BMI of 20–25 kg/m in non-smokers and at 24–27 kg/m2 in current smokers, with risk increasing along with changes in either direction .


Morbidity : 
Obesity increases the risk of many physical and mental conditions .It leads to Metabolic Syndrome,a combination of medical disorders which includes: diabetes mellitus type 2, high blood pressure, high blood cholesterol, and high triglyceride levels. 



HOW TO DO THAT ? Please wach the video up.

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