Download Many Factors Influence Our Choice of Foods

Why You Eat
What You Eat
Concept 1
PowerPoint® Lecture Slide Presentation
Created by Susan Tripp, MS, RD, LDN
UMass Memorial Medical Center
Copyright © 2011 Pearson Education, Inc.
Pop Quiz
True or False?
1. Nutrients don’t necessarily provide calories.
ANSWER
2. Phytochemicals are harmful chemicals found in
processed foods. ANSWER
3. You tend to eat more when you eat with others.
ANSWER
4. Advertising is ineffective when it comes to
influencing people’s food choices. ANSWER
5. The food choices that are available to you
overall are very similar to those available to your
grandparents. ANSWER
Copyright © 2011 Pearson Education, Inc.
What Drives Our Food Choices?
 We
Need to Eat and Drink to Live
 Many Factors Influence Our Choice of Foods
 Taste
and Culture
 Social Reasons and Trends
 Advertising
 Cost, Time, and Convenience
 Habits and Emotions Influence Not Only What You
Eat, But When You Eat
Copyright © 2011 Pearson Education, Inc.
We Need to Eat and Drink to Live
 Food provides essential nutrients and nonnutritive
compounds.
 Nutrients: chemical compounds in foods that
provide energy (measured in calories), growth, and
maintenance, and regulate body processes
 Six classes: carbohydrates, fats, protein, vitamins,
minerals, and water
 Phytochemicals: nonnutritive compounds in foods
that promote health and may play a role in fighting
chronic disease
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Rate Yourself: Do Outside Factors
Influence Your Food Choices?
TRUE or FALSE?
1. Whenever I meet friends, we get something to eat
or drink, no matter the time of day.
2. I sometimes find myself walking past a coffee shop,
fast-food restaurant, or convenience store and am
prompted to buy myself something to eat.
3. When I am bored, stressed, or sad, I snack.
4. I always eat or drink something when I am
studying, even if I am not hungry.
5. I always eat when I am watching a flick at a movie
theatre.
Copyright © 2011 Pearson Education, Inc.
Rate Yourself: Do Outside Factors
Influence Your Food Choices?
If you answered TRUE to the majority of
these statements, you are among
friends. Many of our food choices are
driven by external influences rather than
by hunger.
Copyright © 2011 Pearson Education, Inc.
Many Factors Influence Our Choice of
Foods
 Many factors drive our food choices besides
the basic need to refuel our body with
nutrients:





Taste and Culture
Social Reasons and Trends
Advertising
Cost, Time, and Convenience
Habits and Emotions
Copyright © 2011 Pearson Education, Inc.
Factors Influencing Food Choices
Figure 1.1
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Many Factors Influence Our Choice of
Foods
 Taste and Culture
 According to research, taste is the most important
consideration in making food choices.
 Culture and tradition also determine food choices.
 A culture’s cuisine is greatly influenced by
environmental factors, including:
 Climate and soil conditions
 Native plants and animals
 Distance from rivers, lakes,
or the sea
 Accessibility
Copyright © 2011 Pearson Education, Inc.
Many Factors Influence Our Choice of
Foods
 Social Reasons and Trends
 Eating is an important way to bond with others.
 Celebrations such as Thanksgiving are centered
around food.
 Research shows that people consume 40 percent more
when eating meals with others.
 Social activities can also involve eating certain foods.
 Popular trends influence the availability and
variety of certain items, which ultimately affects
your food choices.
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Many Factors Influence Our Choice of
Foods
 Advertising
 Manufacturers spend over $10 billion annually on
food advertising.
 Children and adolescents have a strong influence
on household purchases.
 Food advertisers direct commercials toward
children. Over half of television ads during
Saturday morning cartoons are for food.
 A majority of food advertising is for sweets and
treats such as candy, soft drinks, chips, and
sugary breakfast cereals.
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Many Factors Influence Our Choice of
Foods
 Cost, Time, and Convenience
 Eleven percent of American households
experience food insecurity and may be forced to
base food choices on cost.
 Americans want to spend less time preparing
meals, which has influenced the types of foods
sold in supermarkets.
 Today, Americans spend 45 percent of their food
budget on the convenience of eating out,
compared with just 25 percent in the 1970s.
Copyright © 2011 Pearson Education, Inc.
Many Factors Influence Our Choice of
Foods
 Habits and Emotions Influence Not Only What
You Eat, But When You Eat
 Your daily routine and habits can dictate what and
when you eat.
 Many people use food as an emotional crutch
during times of stress, sadness, or
disappointment.
 Celebrations and happiness also trigger eating.
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Your Food Choices Differ From Those
of Past Generations
 Nutrition
Science Has Begun to Significantly
Influence Our Food Choices
 Translating Nutrition Knowledge into Action
One Bite at a Time
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Nutrition Science Has Begun to
Significantly Influence Our Food Choices
 Past generations were concerned with health
problems resulting from nutrient deficiencies.
 Rickets: linked to vitamin D deficiency
 Beriberi: caused by thiamin deficiency
 Laws were passed requiring enrichment of grains
and other products with vitamins and minerals to
prevent deficiencies.
 The RDAs (Recommended Dietary Allowances)
were developed as nutritional guidelines to help
Americans stay healthy.
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Nutrition Science Has Begun to
Significantly Influence Our Food Choices
 Americans today are struggling with
conditions such as overweight, heart disease,
high blood pressure, and osteoporosis.
 Research suggests that many of these
diseases can be prevented with a healthful
diet.
 Laws and policies continue to evolve to reflect
the latest nutrition research.
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Translating Nutrition Knowledge into
Action One Bite at a Time
 The goal of this course is to empower you
with knowledge that will affect your reasoning,
judgment, and decision making about the
foods you choose to eat.
 A lot of little adjustments in your diet can have
a major impact on health.
 Each concept will give you practical strategies
and tips to enable you to eat your way to
better health.
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The Top Five Points to Remember
1. There are six categories of nutrients:
carbohydrates, lipids (fats), proteins, vitamins,
minerals, and water.
2. Foods also provide nonnutrient compounds, such
as phytochemicals, that may play a role in fighting
chronic disease.
3. Food choices are influenced by personal taste,
culture, social life, advertising, accessibility, and
time constraints. You eat out of habit, in response
to your emotions, and, of course, because food is
delicious.
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The Top Five Points to Remember
4. Nutrition knowledge has increased
tremendously over the last century and
greatly influenced America’s food choices.
Nutrition concerns have shifted from
prevention of deficiency diseases to
prevention of chronic diseases.
5. Small changes to your diet, made over time,
can have a positive impact on your long-term
health.
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Answers to the Pop Quiz
1. TRUE. Only carbohydrates, fats, and
proteins provide calories.
BACK TO QUIZ
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Answers to the Pop Quiz
2. FALSE. Phytochemicals are plant
chemicals that are thought to play a
role in protecting your body against
some chronic diseases.
BACK TO QUIZ
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Answers to the Pop Quiz
3. TRUE. Eating a meal with others has
been shown to increase the size of your
meal by over 40 percent.
BACK TO QUIZ
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Answers to the Pop Quiz
4. FALSE. Advertising can be very
effective.
BACK TO QUIZ
Copyright © 2011 Pearson Education, Inc.
Answers to the Pop Quiz
5. FALSE. As nutrition discoveries and
sciences advance, so do the food types
available to you.
BACK TO QUIZ
Copyright © 2011 Pearson Education, Inc.