I. are obese. That represents around five

I. Introduction

In the recent year, obesity has become a warning problem that
the world is extremely caring about. The rate of people suffering from this
” modern disease ” has increased more than ever.  According to a report published earlier this year
from the Institute of Health Metrics and Evaluation, based at the University of Washington in Seattle, about 603
milion adults and about 107 milion children over the world are obese. That represents around five per cent of all children and 12
per cent of all adults. Moreover, obesity is one of the most common health
issue the modern people are facing with. On the other hand, solving this
problem doesn’t seem to be easy for all of us. This paper will show some pros,
cons of obesity and some suggestion to prevent it

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II. Body

II.1. Facts and figures

What do we know about obesity? Obesity or
overweight is a complex disorder ( disease ) which related to the amount of fat
in the body that may affect directly to our health. There are some ways to know whether you are obese or not, but
the most 2 common ways are BMI ( Body Mass Index ) or your waist circumference.

         
II.1.1. Body Mass Index

BMI is caculated by the division of
weight in kg and height in m2.While BMI is a simple measure that is easy for
everyone to apply, it should be considered a rough guide for predicting  risk in individual.

For adult, WHO defines overweight
and obesity as follows: Overweight, or pre-obesity, is defined as  BMI of 25 to 29.9 kg/m2. Obesity is defined
as a BMI of over 30kg/m2

For children at the age of 5, overweight
is when your BMI greater than 2 standard deviations above WHO Child Growth
Standards median. Obesity is when your BMI greater than 3 standard deviations
above the WHO Child Growth Standards median

For children aged between 5 – 19
years: Overweight is BMI-for-age greater than 1 standard deviations above the
WHO Growth Reference median. Obesity is greater than 2 deviations above the WHO
Growth Reference median

        II.1.2. Some facts
about obesity

Since 1975, the obesity rate has
risen nearly triple. In 2016, more than 1.9 billion adults, 18 years and older,
were overweight. Of these over 650 million were obese. 39% of adults aged 18 years and over were overweight in
2016, and 13% were obese.
Most of the world’s population live
in countries where overweight and obesity kills more people than underweight. 41 million children under the age of 5 were overweight or
obese in 2016.
Over 340 million children and
adolescents aged 5-19 were overweight or obese in 2016.

 

 In South-East Asia, Africa, and East
Mediterranean locations, obesity among women is almost double the prevalence of
obesity in men. The body fat distribution between women and men could be behind
these numbers, but studies suggest economic and social factors are also playing
a role. In war-torn countries such as Syria,
women are invariably restricted to their homes, giving them little scope for
sporting activities or recreation.

 

II.2. Causes and effects

II.2.1. Causes of obesity

The reason are multi-faceted. On the surface, the causes of obesity are quite
easy: The more calories you consume in the day without any exercise, the easier
you will gain weight. But like many things, the simple explaination is often
incomplete. The factors that directly contribute to overweight and obesity can
be a combination of everything: Genetics, socioeconomic factors, metabolic
factors, lifestyle,…