Welcome to Nutrition and Diet Therapy

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Welcome to Nutrition and Diet Therapy
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Todays Activities

• Syllabus
• Attendance
• Unit Tests
• Personal Nutrition Studies
• Project on Adherence to a Diabetic Diet

• Case Studies/Clinical Assignments
• Article Assignment
• An Over View of Nutrition

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An Overview of Nutrition
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Why do we eat what we eat?
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Food Choices

• Personal preference
• Habit
• Ethnic heritage or tradition
• Social interactions
• Availability, convenience, economy

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Food Choices

• Positive and negative associations
• Emotional comfort
• Values
• Body weight and image

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Food Choices

• Nutrition and health benefits
• Functional foods
• Provide health benefits beyond their nutrient
  contributions
• Ex. Whole foods, fortified foods

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The Nutrients

• Composition of foods
• Six classes of nutrients
• Nonnutrients

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Body Composition
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True or False

• Fresh pasta is better for you than dried pasta
  and spinach pasta more nutritious than plain

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Key words

• Organic
• Nutritious
• Wholesome
• Natural
• Fresh

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Scary Words

• Transfats
• Bad carbs
• What else?

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The Nutrients

• Chemical composition of nutrients
• Inorganic vs. Organic nutrients

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The Nutrients

• Essential nutrients
• Macronutrients vs. micronutrients

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The Nutrients

• Organic nutrients
• Carbohydrates
• Lipids
• Proteins
• Vitamins

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The Nutrients

• Inorganic nutrients
• Minerals
• Water

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Carbohydrate
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Question?

• Which of these foods contains the least amount of
  dietary fiber?
• Oatmeal
• Peanuts
• Steak
• Radishes
• Oranges

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Lipids
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Which is less fattening, margarine or butter?
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Energy-Yielding Nutrients

• Energy from foods
• Energy density
• How can something have no trans-fats but still be
  fried? Is it better?

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• Which of the following foods should you eliminate
  from your diet in order to lose weight?
• steak pasta potatoes butter

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Energy-Yielding Nutrients

• Calories and kilocalories

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Energy Density
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Protein and Amino Acids
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• If you are a strict vegetarian, what vitamin will
  you probably be lacking?

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Vitamins
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• Which of the vitamins, taken in large doses,
  provides energy?
• Which B-vitamin is often low in the diet of the
  average college student?

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Vitamins

• Organic
• Not energy-yielding
• Essential
• Water-soluble vs. fat-soluble
• Vulnerable to destruction

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Minerals
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True or false

• Cottage Cheese is one of the best sources of
  calcium
• Sea salt and kosher salt have nutritional
  advantages over regular salt

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Minerals

• Inorganic
• Not energy-yielding
• Essential
• Indestructible

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Water

• Inorganic
• Not energy-yielding
• Essential

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Diet and Health
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Diet and Health
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Nutrition Research

• The Scientific Method
• Hypothesis vs. Theory
• Experimental group vs. control group
• Randomization
• Sample size

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Nutrition Research

• The Scientific Method
• Epidemiological studies
• Laboratory-based studies
• Human intervention or clinical trials

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Nutrition Research

• The Scientific Method
• Placebo effect
• Blind experiment
• Double-blind experiment

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Nutrition Research

• The Scientific Method
• Correlations and causes
• Positive correlation vs. negative correlation
• Replication
• Peer review

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Nutrition Research

• Research Vs. Rumors
• Scientific validity

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Nutrition Information and Misinformation

• Not everything on the Internet is true!!
• Determination of the reliability of a website
• Not everything on the news is accurately
  reported!!

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Nutrition Information and Misinformation

• Finding credible information
• Government health agencies
• Volunteer health agencies reputable consumer
  groups
• Reputable consumer groups

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Nutrition Information and Misinformation

• Finding credible information
• Professional health organizations
• Professional journals

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Nutrition Information and Misinformation

• Identifying misinformation

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True or False

• Eating chocolate causes acne
• If your life is frantic, you should take a
  multivitamin pill each morning to relieve stress

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