Obesity Epidemic in the USA and Global Trends

 
OBESITY IN USA
 
OBESITY AND OVERWEIGHT
 
Obesity
 is a 
medical condition
 in which excess 
body fat
has accumulated to the extent that it may have a
negative effect on health, leading to reduced 
life
expectancy
 and/or increased health problems.
 
BMI is defined as the subject's weight divided by the
square of their height and is calculated as follows.
 
            BMI: 
m
 
where 
m
 and 
h
 are the subject's weight and
height respectively.
 
BMI (kg/m
2
)Classification
 
up to18.5: underweight
from18.5 to 25.0: normal weight
From 25.0 to 30.0: overweight
From 30.0 to 35.0: class I obesity
From 35.0 to 40.0: class II obesity
From 40.0:  class III obesity
 
USA:
the highest obesity rates in the world
 
Obesity rates in US are among the highest in the
world.
Obesity has continued to grow in USA.
Two out of every three americans are
considered to be overweight or obese.
During the early 21st century, America had the
highest percentage of obese people in the
world.
 
USA and the other countries
 
Until 1980, fewer than one in ten people were obese in
OECD countries. In the following decades, rates doubled or
tripled and are continuing to grow.
 
 Across the OECD, 18% of the adult population are obese.
More than one in three adults in Mexico, New Zealand and
the United States, and more than one in four in Australia,
Canada, Chile and Hungary are obese.
In contrast, rates are just 2 to 4% of adults in Asian
countries.
Rates grew rapidly in Australia, England and the United
States since the 1990s, while they grew at a slower pace in
other countries.
 
 
 New data from ten OECD countries confirm that the
obesity epidemic has not stopped spreading.
 However, a slightly more positive note is that rates have
been increasing at a slower pace in the past five years than
previously seen.
Overweight (including obesity) rates have almost stabilised
in Italy, England and the United States, and have grown
modestly in Canada, Korea and Spain, in the past ten years.
France is the only country where overweight rates have
increased more than projected in 2010. Growth continues
to be robust also in Mexico, Australia and Switzerland.
 
Trends in child obesity, age 3-17
 
SOURCES
 
OECD: 
the Organisation for Economic Co-
operation and Development
JAMA: 
The Journal of the American Medical
Association
CDCP: 
the Centers for Disease Control and
Prevention
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The USA faces one of the highest obesity rates globally, with two out of every three Americans considered overweight or obese. Obesity is classified based on BMI, and rates have been on the rise in OECD countries. However, recent data shows a slower pace of increase in some countries. Child obesity trends are also a concern.

  • Obesity
  • USA
  • Global trends
  • BMI classification
  • OECD countries

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  1. OBESITY IN USA

  2. OBESITY AND OVERWEIGHT Obesity is a medical condition in which excess body fat has accumulated to the extent that it may have a negative effect on health, leading to reduced life expectancy and/or increased health problems. BMI is defined as the subject's weight divided by the square of their height and is calculated as follows. where m and h are the subject's weight and height respectively. BMI: m h

  3. BMI (kg/m2)Classification up to18.5: underweight from18.5 to 25.0: normal weight From 25.0 to 30.0: overweight From 30.0 to 35.0: class I obesity From 35.0 to 40.0: class II obesity From 40.0: class III obesity

  4. USA: the highest obesity rates in the world Obesity rates in US are among the highest in the world. Obesity has continued to grow in USA. Two out of every three americans are considered to be overweight or obese. During the early 21st century, America had the highest percentage of obese people in the world.

  5. USA and the other countries Until 1980, fewer than one in ten people were obese in OECD countries. In the following decades, rates doubled or tripled and are continuing to grow. Across the OECD, 18% of the adult population are obese. More than one in three adults in Mexico, New Zealand and the United States, and more than one in four in Australia, Canada, Chile and Hungary are obese. In contrast, rates are just 2 to 4% of adults in Asian countries. Rates grew rapidly in Australia, England and the United States since the 1990s, while they grew at a slower pace in other countries.

  6. New data from ten OECD countries confirm that the obesity epidemic has not stopped spreading. However, a slightly more positive note is that rates have been increasing at a slower pace in the past five years than previously seen. Overweight (including obesity) rates have almost stabilised in Italy, England and the United States, and have grown modestly in Canada, Korea and Spain, in the past ten years. France is the only country where overweight rates have increased more than projected in 2010. Growth continues to be robust also in Mexico, Australia and Switzerland.

  7. Trends in child obesity, age 3-17

  8. SOURCES OECD: the Organisation for Economic Co- operation and Development JAMA: The Journal of the American Medical Association CDCP: the Centers for Disease Control and Prevention

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