Obesity is defined as abnormal or excessive fat accumulation that presents a risk to health. It is measured by body mass index (BMI), with a BMI of 30 or more considered obese. The main causes of obesity are an energy imbalance between calories consumed and expended, increased intake of high-fat and sugary foods, physical inactivity, and environmental and societal changes associated with development. Obesity increases the risk of diseases like diabetes, cardiovascular disease, and cancer. Prevention focuses on limiting intake of fats, sugars and salt while increasing consumption of fruits, vegetables, and whole grains, as well as engaging in regular physical activity.

1. Obesity
ADAM ACHOUKHI & MOHAMMED ELALAMI
1

2. 2

3. PLAN
• Meaning of obesity
• Obesity diseases and causes
• Prevention
3

4. Obesity
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 meters).
 A person with a BMI of 30 or more is generally
considered obese.
 A person with a BMI equal to or more than 25 is
considered overweight.
4

5. How to calculate BMI
5

6. Causes
 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
 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
6

7. Obesity diseases
Overweight and obesity are major risk factors for a number
of chronic diseases, including diabetes, cardiovascular
diseases and cancer.
7

8. 8

9.  It is predicted that obesity will
cause shorter life expectancy
in future children if it is not
controlled.
 They have a higher risk of
being obese
9

10. Key facts
 Worldwide obesity has more than doubled since 1980.
 In 2014, more than 1.9 billion adults, 18 years and
older, were overweight of these over 600 million were
obese.
 Most of the world's population live in countries where
overweight and obesity kills more people than
underweight.
 42 million children under the age of 5 were overweight or
obese in 2013.
 Obesity is preventable.
10

11. Prevention
11

12. 12

13. 13

14. 14

15. How to reduce Obesity
• Limit energy intake from total fats and sugars and salt
content of processed foods;
• Increase consumption of fruit and vegetables, as well as
legumes, whole grains and nuts
• Engage in regular physical activity (60 minutes a day for
children and 150 minutes per week for adults)
• Make regular physical activity and healthier dietary
choices available and easily accessible to all
15

16. THANK YOU FOR
YOUR
ATTENTION
... 16