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- Know what is meant by malnutrition,

periodic famine and obesity.

- Understand how these conditions arerelated to health.

- Understand their causes, effects and

possible solutions.

How are Food and Health related?

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“YOU AREWHAT YOU

EAT”

Are you making the right choices?

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NUTRITIONUTRITIO

NN 

…is the study of  HOW 

our BODY USES THE  

FOOD WE EAT   to

maintain health.

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Appetite vs. HUNGER

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Appetite

…is the DESIRE to eat

based on PLEASURES

*TASTE *AROMA * TEXTURE

It’s what causes

us to eat beyond HUNGER!

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HUNGE

R

Is the BODY’S PHYSICAL

RESPONSE to the need for FUEL.

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Factors that affect food choices

o Personal preferenceo Education

o Convenience

o Cost

o Cultural

o Socialo Religious

o Availability/Variety

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Diseases of Affluence

vs.

Diseases of PovertyThe trend is for diseases of affluence (CHD,

diabetes and obesity) to occur more as diseases of 

poverty (starvation and famine) decline and aspeople live longer (the global ageing population).

Diseases of affluence:

Diseases that are thought

to be a result of 

increasing wealth in

society.

Diseases of poverty:

Diseases that result from

impoverishment.

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“DIET”

 A diet is a pattern of 

eating that includes

what  a person eats,how much a person

eats, and when a person eats. 

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DIET is

a

LIFESTYLE

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ReasonsReasons Why Why we EATwe EAT

o It (food) was there. Boredom

o Access to food / Availability

o Social (family, holiday, outing)o Emotions (anger, sadness,

happiness)

o Someone Elseo Nervousness

o Stress

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Define the following key words

associated with diet:

• Malnutrition

• Undernourishment

• Famine (periodic famine)• Obesity

• Overweight

Which are diseases of affluence and which are

diseases of poverty?

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Malnourished/Undernourished?

• Are these people always in LEDCs?• Why? Why not?

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MalnutritionCauses Effects Solutions

MEDC

LEDC

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BODY IMAGE

is the way

you FEEL aboutand PERCIEVE

your BODY 

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Eating Disorders 

ANOREXIA NERVOSAo Self-Starvation

o Extreme Weight-

LossBULIMIA NERVOSA

o Secretive

oBinge & Purge

BINGE EATING

o Binge w/o purge

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MentalDistortion

 ONE THINKS

they are FAT

But in REALITY…

They ARE

Painfully NOT.

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Hollywood Sicklywood

HelpMEwood TreatMEwood

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“You are what you eat”

Short term problems related to diet:

depression

mood swings

fatigue

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“You are what you eat”

LONG term problems related to diet:

• obesity

• heart disease

• diabetes• High blood pressure

• Cirrhosis of the liver 

• Cancer • Cavities

• Dietary deficiency

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Kwashiorkor 

• Read through your sheet and

complete the bottom half of your 

table for malnourishment inLEDCs

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Famine• For one named area that you have studied

where periodic famine has taken place:

 – a) Describe the causes of famine in that

area.

 – b) What are some of the effects of 

famine on a particular area?

 – c) Outline the actions taken to prevent

famine from arising there again.

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What are the main factors which cause FAMINE?

http://library.thinkquest.org/C002291/high/present/index.htm

M l i

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Map analysis

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How can FAMINE be solved?http://library.thinkquest.org/C002291/high/present/index.htm

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OBESITY

 http://news.bbc.co.uk/1/hi/magazine/7105472.stm 

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What exactly is obesity?

• having too much body fat (high bodymass index - of over 30 – this is the ratiobetween height and weight).

• it occurs over time when you eat morecalories than you use

•Causes include: genetic makeup, over-eating, eating high-fat foods/conveniencefoods, not being physically active,sedentary forms of work, labour-savingdevices and motorised forms of transport.

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Causes

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% of people OBESE by state

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Out of the top 10 Leading Causes

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Out of the top 10 Leading Causes

of Death:

6 are associated withObesity:3. Coronary Heart Disease

4. Cancer 

5. Stroke

6. Chronic lower respiratory diseases7. Diabetes

8. Accidents (unintentional injuries)

 National Center for Health Statistics

Possible solutions?

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Possible solutions?http://www.nhs.uk/Change4Life/Pages/default.a

msn&utm_medium=cpc&utm_term

=for%20life&utm_content=Change4Life&utm_c

 

UK NHS website

Surgery to tackle rising

obesity 

Drugs and stomach surgery

should be used to help some

adults and children lose

weight, say experts.

http://news.bbc.co.uk/1/hi/health/61693

http://www.choicefoodforkids.com.

- Australia.

El Poder del

Consumidor  

-Mexico

Successfully campaigned for a Kellogg TV

advert to be taken off the air for misleading

claims, in particular about the skills

children would develop if they ate the

cereal high in sugar. 

Which? – United kingdom

Which?’ s campaign helped

ensure the UK TV regulator 

OFCOM introduced a ban on

the advertising of junk food

during TV programmes of 

appeal to children under 16years old. 

Can you

think of any

others?

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In conclusion

DIETIS A

LIFESTYLE

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