Transcript 7th nutrition notes

Intro to Nutrition
chapter 8
Why do we eat?
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Hungry
Stress
Emotional
Bored
Habit
Social
Forced
There are 6 essential nutrients
• Each of the nutrients have different jobs and are
found in a variety of foods.
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Carbohydrates
Fats
Protein
Vitamins
Minerals
Water
Carbohydrates
A chemical composed of one or more simple sugars.
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Body’s first source of energy
55% - 65% of daily calories
All fruits and vegetables
4 calories per gram
2 types of carbohydrates
 Simple- Fast Digesting Carbs
(sugar, candy, white bread)
 Complex- Slow Digesting
Carbs (fruits, vegetables,
beans, potatoes)
Fat
• Functions include: a source of stored energy,
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insulates the body, healthy skin, hair and nails,
satisfies hunger
30% or less of total daily calories
9 calories per gram
2 types of fat
 Saturated/Trans Fats- BAD
 Unsaturated- Good, in controlled portions
Protein
• The building blocks
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for your body
Build and repair
tissues and cells
4 calories per gram
The last thing our
body uses for energy
20% of our total daily
calories
Vitamins
• Organic compounds
that control several
body functions
• 13 vitamins
• Do not give us
energy – no calories
• Best to get vitamins
by eating a variety
of foods
Minerals
• Element essential for good health
• Helps with enzyme function, electrical balances,
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bone structure and nerve impulses
Include iron, potassium, zinc, calcium, iodine,
sodium, magnesium
What is in an Apple?
Water
• The MOST ESSENTIAL of all nutrients
• Cannot survive without it for more than a
few days
• Body 70% water
• Regulate all our body processes
• Drink at least 8-10 glasses a day and more
if exercising or hot conditions
Why Drink Water?
How do you know what’s in
the food you eat?
How does your diet effect your
overall health?
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Heart disease
Diabetes
High cholesterol
Some cancers
Obesity