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Section 4 Choosing a Healthful Diet 1

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Section 4 Choosing a Healthful Diet * Bell Ringer 1. Make a list of at least 5 junk food items you enjoy eating. 2. Recommend a healthier snack you can substitute for ... – PowerPoint PPT presentation

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Title: Section 4 Choosing a Healthful Diet 1


1
Section 4Choosing a Healthful Diet1
2
  • Bell Ringer
  • 1. Make a list of at least 5 junk food items
    you enjoy eating.
  • 2. Recommend a healthier snack you can
    substitute for the junk food.

3
Key Terms
  • Nutrient Density
  • A measure of the nutrients in a food compared
    with the energy the food provides
  • Vegetarian
  • A dietary pattern that includes few or no animal
    products.
  • 3

4
Nutrition Throughout Life
  • The amount of food needed depends upon their size
    and activity level
  • Need a diet
  • higher in fat for
  • brain development

5
Nutrition Throughout Life
  • Greatest nutrient and energy requirement
  • Watch for the middle-age spread

6
Vegetarian Diet There are 12 million Americans
who choose this diet because of religion,
ethical, or dietary reasons.
  • 1. They need to be carefully planned.
  • 2. Need to get protein from nuts and legumes,
    as well as eggs and dairy products.

7
  • Choosing a Vegetarian Diet
  • Meat is the most abundant source of iron for the
    body, and finding it in plants is not easy.
  • Diets may be deficient in iron zinc
  • Vegans Need to take supplements with Vitamin B
    12 or cereals fortified with it because it is
    found only in animal foods. (Needed for forming
    red blood cells and healthy nervous system)

8
What is a Legume?
  • A pod or a bean that splits in two halves

9
Special Dietary Needs of ATHLETES
  • Need plenty of water
  • 2 hours before exercising high-carb snack ½ a
    bagel, handful of low-salt pretzels, yogurt or
    fruit

10
Nutritional Needs of Pregnant Women
  • Need supplements recommended by doctors.
  • Folic acid Helps to prevent birth defects
    needed in forming cells (liver, fruits
    vegetables)
  • Iron makes hemoglobin
  • 150 extra calories at beginning, 250 at end by
    drinking more milk and eating more fruit or
    vegetables.

11
People who are in poor health
  • Flu
  • Drink plenty of liquids
  • Nutrient intake becomes extremely important

12
Review Section 4
  • 1. Identify the correct term for the measure of
    the amount of nutrients in a food compared to the
    energy the food provides.
  • Nutrient density
  • 2. Explain what is meant by junk food
  • Food that is a low nutrient density
  • (more calories than nutrients)
  • 3. Give reasons why a pizza can be a healthier
    fast food than a burger and fries.

13
  • Pizza has vegetable in the sauce, grain in the
    crust, dairy in the cheese..could have other
    fruits vegetables ie mushrooms, pineapple,
    onion, peppers.
  • Burger.tends to be high in fat, but could be
    made at home with low fat percentage, fries are a
    low-nutrient density vegetable when they are
    fried.
  • 4. Compare the energy needs of adults with those
    of teens
  • Teens bodies are still growing and they need more
    calories.

14
  • 5. Identify a nutrient that is at risk of
    deficiency for each of the following groups
  • A. Teens
  • (calcium, iron, folate)
  • B. Pregnant women
  • (Protein, folic acid, iron)
  • C. Athletes
  • (complex carbohydrates, water, B vitamins)
  • D. Vegans
  • (vitamin B 12 found only in animal foods)

15
  • 6. Identify foods that are lower in fat or sugar
    than the choices below
  • A. French fries
  • (carrot sticks, celery, baked chips)
  • B. Soda
  • (water)
  • C. Creamy chip dip
  • (bean dip or salsa)
  • D. Fried chicken
  • (baked or grilled chicken)

16
  • 7. Your friend on the wrestling team uses
    water-loss pills to help him make weight. He
    says theyre not harmful. What would be your
    reply?
  • Water pills will cause him to lose water weight.
    This is not a healthy way to make weight,
    because it can lead to dehydration. Dehydration
    can impair athletic performance cause serious
    health problems, including sudden death.
  • 16
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