Transcript CHAPTER 5 Nutrition and Your Health

 Class:
Health I
 Unit: Nutrition
 Instructor: Ms. Zupanc
Objectives:
 1.
SWBAT Define BMI and determine
their own body mass index.
 2. SWBAT List the risks associated with
obesity and heart disease.
 3. SWBAT Find their waist circumference
and the sizes that are of risk for men and
women.
 4. SWBAT Use the internet to take a quiz
regarding portion sizes.
CHAPTER 5
Nutrition and Your Health
Lesson 1 Vocabulary

Nutrients – Elements in food
that your body needs for
energy, to grow, and to repair
itself.

Hunger – Natural drive that
protects you from starvation
(physical)

Appetite – A desire rather than
a need to eat.
What Affects your Appetite?
Factors That Contribute To Our
Eating Habits
 Environment
 Culture
 Family
and Friends / Peer Pressure
 Advertising
 Time and Money
 Emotional Eating
T.V. Time

The average child sees more
than 20,000 commercials each
year.

What kinds of advertisements
are most common?

How do you feel about this? Is
there a connection?
 Eating
is linked to
6 leading causes
of death in the
U.S.
 Why???
OBESITY

Obesity (excess body
fat) is surpassing
smoking as the number
one preventable death
in the U.S.

What does that mean to
you?
Nutrition
– The process by which the body
takes in and uses food.
 Nutrition
 What
 How
are “empty calories”?
can we manage our eating habits???
Nutrients, Carbohydrates, Proteins,
and Fats
 What
 On
are they???
a sheet of paper list
as many foods as you
can that are sources of
that nutrient
Carbohydrates

Carbohydrate – Starches and
sugars found in foods, body’s
preferred source of energy.
Simple and complex
 What is the difference?


55-66% of daily calories
Carbs
 Simple
Carbs – Sugars found in fruits, veggies
and milk. Also in candy, soda, sweets, salad
dressing, soups, breads.
No Good – fructose, maltose, sucrose, oils,
syrups
 Complex
Carbs – (Good) Starches found in
rice, grains, seeds, nuts, legumes (beans).
Much better for you.
Glucose
The body’s chief fuel and a
simple sugar
 When it is not used right away it is stored
in the liver and muscles as


Glycogen – A starch-like substance

What happens if we have enough carbs
stored and enough for energy needs???
What’s up with the low carb craze?

Why are carbohydrate foods
considered fattening?

Describe the low carb diets that
are popular. What is your
opinion regarding them?

List all of the simple and
complex carbs you have
consumed in the past 24 hours.
Fiber





Where can you find it?
The tough, stringy part of veggies, fruits and grains
Complex carb
It is not digested
Why should you eat it?
Moves waste through your digestive system
Gives a feeling of fullness
Reduces risk of cancer and heart disease
25 GRAMS A DAY!
F.Y.I.
 Americans
eat their own weight in sugar
every year

This primarily comes from where?

What is the relationship between carbohydrates
and tooth decay?
Proteins

Are nutrients that help build and maintain
body tissues.




Found in Muscle, bone, connective
tissue, teeth, skin, blood, vital organs
Remember antibodies?
Provide 4 calories per gram
Excess is converted into fat
Proteins
 Amino
acids – Substances that make up
the body’s proteins
 Body
makes 11 out of 20 on it’s own
other 9 acids are called Essential
Amino Acids b/c they come from foods
that you eat
 The
More Proteins…
Complete – Foods that contain all of the essential
amino acids that the body needs
Examples: Fish, meat , eggs, milk, cheese,
yogurt, soybean
Incomplete – Foods lack some of the essential
amino acids
Examples: Legumes, nuts, whole grains, seeds
FAT

Fats deliver more than twice the amount
of energy as compared to carbs and
protein
 We do need some

Lipid – A fatty substance that does not
dissolve in water
FAT
– a fatlike substance produced
in the liver of all animals and found only in
foods of animal origin
 Cholesterol
 Dietary


Guidelines –
Teenage Girl: 2,200 calories or 66 grams of
fat / day
Teenage Boy: 2,800 calories or 84 grams of
fat / day
Calories Vs. Fat
http://www.nhlbi.nih.gov/health/public/heart/
obesity/lose_wt/cal_cnt.htm
 Healthy

Shopping: What to Buy
http://www.nhlbi.nih.gov/health/public/heart/
obesity/lose_wt/shop.htm
Good Resources On The

National Institute of health (portion distortion quiz, BMI)
http://www.nhlbi.nih.gov/health/public/heart/index.htm

New Food Guide Pyramid and other good info.
http://www.hsph.harvard.edu/nutritionsource/pyramids.h
tml
 Regulate
important body processes like
digestion and metabolism
 Water-soluble – Dissolve in water and
pass easily into the blood stream.



Excrete excess amounts
Are not stored in the body
Cook carefully (steam with little water!)
 Fat-Soluble



Vitamins –
A, D, E, K
Are stored in the body’s fatty tissue, liver, and
kidneys
High amounts of these can be toxic