Wednesday, October 31, 2007
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What are obesity and overweight?
BMI provides the most useful population-level measure of overweight and obesity, how to calculate it does not vary sex or the age adults. However, it should be considered as a guide approximate, it may not correspond to the same degree of fatness in different individuals.
The World Health Organization (WHO) defines overweight as a BMI less than 25, and obesity as a BMI equal to or greater than 30. These thresholds are referred for evaluations individual, but no evidence that the risk of chronic diseases in the population increases progressively from a BMI of 21.
New Child Growth Standards by WHO in April 2006, include BMI charts for infants and children up 5. No However, measuring overweight and obesity in children aged 5 to 14 years difficult because there is no standard definition of childhood obesity applies worldwide. WHO is currently developing a international growth reference for school-age children and adolescents.
Data on the ob esid and overweight
The WHO's latest projections indicate that in 2005 there were worldwide:
a - Approximately 1600 million adults (15 years) with overweight.
b - At least 400 million adults were obese.
addition, WHO estimates that by 2015, approximately 2300 million overweight adults and more than 700 million will be obese.
In 2005 there were worldwide at least 20 million children under 5 years overweight.
Once considered a problem only in high-income countries income, overweight and obesity are increasing dramatically in low-income countries and media, especially in urban areas.
What are the causes of obesity and overweight?
The fundamental cause of obesity and overweight is an imbalance between income and expenditure of calories . Global increases in overweight and obesity is attributable to several factors, among which are:
a - a global shift in diet, with a tendency to increase calorie intake of food high in fat and sugars but low in vitamins, minerals and other micronutrients.
b - The trend towards decreased physical activity due to increasingly sedentary nature of many jobs, changes in transportation and increasing urbanization.
What
are common health consequences of overweight and obesity in health?
Overweight and obesity lead to serious health consequences. The risk increases progressively as BMI does. Raised body mass index is an important risk factor for chronic diseases such as:
a - Cardiovascular disease (mainly heart disease and the stroke), which are the main cause death worldwide, with 17 million deaths annually.
b - Diabetes, which has quickly become an epidemic world. WHO estimates that diabetes deaths will increase throughout the world in more than 50% in the next 10 years.
c - musculoskeletal diseases, particularly osteoarthritis.
d - Some cancers, including endometrial, breast and colon.
Childhood obesity is associated with a higher chance of premature death and disability in adulthood.
Many low-income countries and middle now facing a double burden:
a - still having the infectious disease problem and nutrition, at the same time are experiencing a rapid increase in risk factors for chronic diseases such as overweight and obesity, especially in urban areas.
b - It is not uncommon that undernutrition and obesity coexist in the same country, the same community and even within the same household.
c - This double burden is caused by inadequate nutrition during the prenatal period, infancy and early childhood, followed by consumption of energy-dense foods rich in fat and low micronutrients, combined with lack of physical activity.
Source: World Health Organization (WHO)
In the next newsletter you will learn From
How to reduce the burden of obesity and overweight?
Obesity and overweight are defined as an abnormal accumulation or excessive fat can be detrimental to health.
mass index (BMI)-weight in kilograms divided by the square of height in meters (kg / m2) - is an indication simple relationship between weight and height that is commonly used to identify overweight and obesity in adults, both individual and population.
mass index (BMI)-weight in kilograms divided by the square of height in meters (kg / m2) - is an indication simple relationship between weight and height that is commonly used to identify overweight and obesity in adults, both individual and population.
BMI provides the most useful population-level measure of overweight and obesity, how to calculate it does not vary sex or the age adults. However, it should be considered as a guide approximate, it may not correspond to the same degree of fatness in different individuals.
The World Health Organization (WHO) defines overweight as a BMI less than 25, and obesity as a BMI equal to or greater than 30. These thresholds are referred for evaluations individual, but no evidence that the risk of chronic diseases in the population increases progressively from a BMI of 21.
New Child Growth Standards by WHO in April 2006, include BMI charts for infants and children up 5. No However, measuring overweight and obesity in children aged 5 to 14 years difficult because there is no standard definition of childhood obesity applies worldwide. WHO is currently developing a international growth reference for school-age children and adolescents.
Data on the ob esid and overweight
The WHO's latest projections indicate that in 2005 there were worldwide:
a - Approximately 1600 million adults (15 years) with overweight.
b - At least 400 million adults were obese.
addition, WHO estimates that by 2015, approximately 2300 million overweight adults and more than 700 million will be obese.
In 2005 there were worldwide at least 20 million children under 5 years overweight.
Once considered a problem only in high-income countries income, overweight and obesity are increasing dramatically in low-income countries and media, especially in urban areas.
What are the causes of obesity and overweight?
The fundamental cause of obesity and overweight is an imbalance between income and expenditure of calories . Global increases in overweight and obesity is attributable to several factors, among which are:
a - a global shift in diet, with a tendency to increase calorie intake of food high in fat and sugars but low in vitamins, minerals and other micronutrients.
b - The trend towards decreased physical activity due to increasingly sedentary nature of many jobs, changes in transportation and increasing urbanization.
What
are common health consequences of overweight and obesity in health?
Overweight and obesity lead to serious health consequences. The risk increases progressively as BMI does. Raised body mass index is an important risk factor for chronic diseases such as:
a - Cardiovascular disease (mainly heart disease and the stroke), which are the main cause death worldwide, with 17 million deaths annually.
b - Diabetes, which has quickly become an epidemic world. WHO estimates that diabetes deaths will increase throughout the world in more than 50% in the next 10 years.
c - musculoskeletal diseases, particularly osteoarthritis.
d - Some cancers, including endometrial, breast and colon.
Childhood obesity is associated with a higher chance of premature death and disability in adulthood.
Many low-income countries and middle now facing a double burden:
a - still having the infectious disease problem and nutrition, at the same time are experiencing a rapid increase in risk factors for chronic diseases such as overweight and obesity, especially in urban areas.
b - It is not uncommon that undernutrition and obesity coexist in the same country, the same community and even within the same household.
c - This double burden is caused by inadequate nutrition during the prenatal period, infancy and early childhood, followed by consumption of energy-dense foods rich in fat and low micronutrients, combined with lack of physical activity.
Source: World Health Organization (WHO)
In the next newsletter you will learn From
How to reduce the burden of obesity and overweight?
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