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Obesity

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Minh Anh H Nguyen

on 24 March 2014

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Transcript of Obesity

Obesity
What is Obesity?
Obesity is an excessive accumulation of body fat that may impair health.
Nguyen Hoang Minh Anh
Le Tran Mai Khanh
Nguyen Ha Dieu Linh
Facts about Obesity
Worldwide obesity has nearly doubled since 1980.
Reference list
1. http://www.who.int/mediacentre/factsheets/fs311/en/
2. http://www.shape-able.com/bmi-calculator.html
3. http://usatoday30.usatoday.com/news/health/story/2012-05-07/obesity-projections-adults/54791430/1

Body Mass Index
Body mass index (BMI) is a simple index of weight-for-height that is used to classify overweight and obesity.
According to WHO:
- BMI greater than or equal to 25 is overweight
- BMI greater than or equal to 30 is obesity
In 2008:
- More than 1.4 billion adults were overweight
- Of these, over 200 million men and nearly 300 million women were obese
Obesity and overweight are closely linked, as they both indicate excessive accumulation of body fat.

Overweight and obesity are the fifth leading risk for deaths globally.



In 2011, more than 40 million children under the age of five were overweight.
Obesity is preventable.
Causes of Obesity
Genetic
1. Thrifty-gene: collects and stores fat

2. Prader willi syndrome: constant sense of hunger

3. Congenital leptin deficiency: severe obesity beginning in the first few months of life


In 2012, more than one third of children and adolescents were overweight or obese.
Physiological
- Energy intake
- Energy expenditure
Behavioral
- consumption of fast food or processed food
- snacking
- drugs
- alcohol
- smoking
- eating disorders

Sociocultural
- Sedentary jobs and lifestyles

Environmental
- availability of unhealthy food
- more cars
Metabolic
- hyperthyroidism
- hypothyroidism
- Cushing's syndrome
- growth hormone deficiency
Children
Change unhealthy eating habits
Encourage exercises
Encourage eating vegetables
Avoid fast food
Reduce time in front of the TV and computer
Adults
Eat fruits and vegetables daily
Choose whole grain foods
Weigh yourself regularly
Exercises more than 15 minutes/day
Avoid fast food
Take record of the amount of calories burnt
Reduce the time for TVs/computers
Eat breakfast
How to treat obesity?
Change to a healthier diet
Cut back on calories
Limit foods that are high in fats and cholesterol
Being physically active
Exercise using weight-loss medicines
Weight-Loss Surgery
Effects
Physical
- reduced life expectancy
- coronary heart disease
- high blood pressure
- metabolic syndrome
- strokes
- osteoarthritis
- diabetes
- cancers
- fertility problems
- fatty liver disease

Psychological
- low self-esteem
- depression
- anxiety
- body dissatisfaction
- discrimination
Societal
- fewer friends
- fewer relationships
- likely to be prejudiced and discriminated
- lower employment
- lower incomes
- medical gap

A vicious circle is created in which children are overfed and grow up to become overeating adults.
Top 10: world's most obese countries
10. Finland
(20.2%)
9. Luxembourg
(22.1%)
8. Ireland
(23%)
7. United Kingdom
(23.1%)
6. Canada
(24.2%)

5. Australia
(24.6%)
4.Chile
(25.1%)
3. New Zealand
(28%)
2. Mexico
(30%)
1. United States
(33.8%)
Why is obesity difficult to cure?
Mr Shane Hatcher, Science teacher (from New Zealand)
Mr Ian Ready, English teacher (from New Zealand)
Ms Nguyen Thi Quy, Pharmacist (from Vietnam)
Ms Nguyen Thi Quy, Pharmacist (from Vietnam)
Mr Jason Zimmer, HPE teacher (from USA)
Mr Shane Hatcher, Science teacher (from New Zealand)
Ms Nguyen Thi Lan Anh, Doctor of Nutritional Science (from Vietnam)
Communities
Obesity in USA
Obesity in New Zealand
Obesity in
Vietnam
In 1999: 2.2% children
In 2010: 11% children
=300,000 obese children in 2013
Full transcript