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Transcript of Chapter 8. Nutrition and Your Health Nutrition Study of how our bodies use the food we eat to...
![Page 1: Chapter 8. Nutrition and Your Health Nutrition Study of how our bodies use the food we eat to maintain our health Energy Good Food & Portion Sizes.](https://reader030.fdocuments.in/reader030/viewer/2022032708/56649e7b5503460f94b7d341/html5/thumbnails/1.jpg)
Chapter 8
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Nutrition and Your Health
Nutrition Study of how our bodies use the food we eat to
maintain our health Energy Good Food & Portion Sizes
Overweight Excess Body Fat
Obesity Weighing more than 20% above your
recommended weight range Increases risk of diseases and disorders
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Childhood Obesity Statistics
In 2012, more than 1/3 of children & adolescents were overweight or obese
70% of obese youth had at least 1 risk factor for cardiovascular disease
Children & adolescents who are obese are at greater risk for pre diabetes, bone, and joint problems
Children & adolescents who are obese will more likely be obese as adults
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Nutrients & Food
Nutrients Substances in food that your body needs to
function properly Keep body healthy Energy Food you eat
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Using Food for Energy
Digestion Process of breaking down food into a form
your body can use Journey of Food
Mouth ( Chewing) Stomach ( Mixed with acids) Small Intestine ( broken into nutrients ;
blood)
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What is a Diet?
Diet Pattern of eating that includes what a
person eats, how much a person eats, and how often a person eats
Describes how a person eats every day
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Influences on Food Choices
Personal Choice Cost Family Traditions Common in the area Convenience Friends
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Food & Feelings
Eat when not hungry Nervous ; Upset Happy; Excited Social Gatherings
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How Your Body Uses Nutrients Foods
More than one nutrient Different foods contain the same nutrients
Energy Comes from nutrients Growth Maintenance Repair
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Energy from Food
Calories Amount of energy your body gets from a
food is measured in units Metabolism
Process of converting the energy in food into energy your body can use
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6 Essential Nutrients
1. Carbohydrates 2. Fats 3. Proteins 4. Vitamins 5. Minerals 6. Water
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Carbohydrates
Main source of energy Chemical composed of one or more
simple sugars ( 1 grams = 4 calories) 2 Basic Types :
Simple Carbohydrates Complex Carbohydrates
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Simple Carbohydrates
Sugars such as table sugar, honey, and sugar found in fresh fruit
Easy for the body to digest Gives body quick energy
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Amount of Sugar in Your Drink Poster
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Complex Carbohydrates
Starches that are made of sugar molecules that are linked together
Broken down Feel full for a longer period of time Examples:
Pasta Rice Potatoes Fiber ( healthy part of a balanced diet)
Brown Rice Oatmeal Whole Wheat Bread
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Fats
Energy storage nutrients that help the body store vitamins
Needed in small amounts High amount of fats
Weight Gain Heart Disease
Examples: Butter, Vegetable Oil, margarine
1 gram = 9 calories
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Fast Food Crisco Activity
How much fat do you think is in your fast food?
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Proteins
“ Building Blocks of the Body” Nutrients that build and repair tissues &
cells One gram = 4 calories Animal sources
Meat, Poultry, Eggs, Milk, Cheese Vegetable Sources
Beans, Nuts, Tofu
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Vitamins
Keep body healthy Organic compounds that control several
body functions Small amount Vegetables, fruits, nuts, & dairy Body will not function properly without
these Scurvy [ tooth loss] ( Vitamin C) Night Blindness ( Vitamin A)
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Minerals
Elements that are essential for good health
Examples: Calcium / Phosphorus Iron Sodium/ Potassium Zinc Iodine
Small Amounts
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Good Sources of Some Important Vitamins & Minerals
Name What It Does for your Body
Where you can get it
Vitamin A Healthy Hair/ Skin Carrots, sweet potatoes, squash
Vitamin C Fight germs that cause illness
Orange juice, broccoli, papaya
Vitamin B – 12 Concentration, memory, and balance
Fish, milk, eggs, meat, poultry
Calcium Healthy, strong bones and teeth
Milk, cheese, yogurt, and sardines
Iron Healthy blood; prevents fatigue
Tofu, spinach, black-eyed peas, red meat
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Water
Cannot survive a few days without it 70 % of Body Carry nutrients and waste products
throughout your body Regulate body temperature Cells Joints
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Dehydration
Your body will not function properly Dry out May lead to:
Fainting Extreme cases – Death
8 – 10 glasses per day More if exercising/ playing sports
Foods are good sources of water Milk, fruits, veggies, soups, stews, salads,
juices
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Dietary Guidelines
Healthy/ unhealthy eating habits Dietary Guidelines for Americans
Set of suggestions developed by nutrition scientists and public health agencies
Choose healthy nutritious foods Stay fit Limit substances that increase disease risk
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My Plate
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My Menu Project
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Nutrition Label
Label found on the outside packages of food and states the number of servings, calories, and nutrients
Food Choices
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Ingredients
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Nutrition Label Group Review On your half sheet of paper, your group will break down your nutrition label. You need to write down the important points of a label : Serving Size Calories Bad Nutrients Good Nutrients
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What is a Serving Size?
Standard amount of food that allows different foods to be compared with one another
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Portions vs. Exercise with M & Ms
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Mirror Mirror Off the Wall
Draw a picture of yourself Write 5 things that you like about your
body Write 1 thing that you do not like
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Body Image
How you feel about and see your body Changes Positive Attitude Comparing Yourself
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Body Image & Self Esteem
Self Esteem How much you value, respect, and feel
confident about your self Negative Body Image Positive Body Image Body Image vs. Self Esteem
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Influences on Body Image
Family & Friends Teachers & Coaches Media
List celebrities with the ideal body and why?
https://www.youtube.com/watch?v=L3D0jMIOK_c
Positive / Negative Effects
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Building a Healthy Body Image “I “ Statements
Tells people directly what bothers you about their behavior
I feel …. When you …. Because ….
Positive Self Talk A way of encouraging yourself by saying
positive statements to yourself
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“I” Statement Scenarios
1. Your always late picking me up 2. You shouldn’t wear that outfit. I’ve
told you before its not very flattering. 3. Your never going to graduate if you
keep failing tests like that 4. How could you be so dumb to forget
that we were already busy that night 5. You should have known better than to
do something that stupid.
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Music Lyrics & Body Image
Analyze the song lyrics and answer how it relates to body image. Give specific examples
Songs: I am – Hillary Duff Beautiful – Christina Aguilera Unpretty – TLC Born This Way – Lady Gaga Perfect – Pink 32 Flavors – Ani Defranco
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Eating Disorders
Unhealthy eating behaviors Eating certain foods Skipping meals Eating large amounts of food at one time Learning Growth Overall health
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Why Teens Develop Unhealthy Eating Behaviors
• Low Self Esteem
• Fear of becoming overweight
• Poor skills with coping stress
• Unhealthy Body Image
• Pressure from friends or family to be thin
• Feelings of Helplessness
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Over exercising
Exercises more intensely and for a longer period of time than is necessary for good health
Body Size & Weight Unhealthy body image Low Self Esteem Ashamed Injuries Extreme tiredness, hopelessness, moody, &
affects relationships
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What are Eating Disorders
Disease that involves an unhealthy concern with one’s body weight and shape Emotional factors Depression, low self esteem, physical / sexual
abuse Boys & girls
Symptoms Talking about weight, bodies, or food Lose a lot of weight in a short period of time
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Anorexia Nervosa
1 in 100 teen girls Eating disorder that involves self –
starvation, unhealthy body image, & extreme weight loss
Fear of being fat & gaining weight Feel fat/ overweight Perfectionists
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Anorexia Nervosa
Foods low in calories & fat Plays with food Layers of clothing
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Symptoms of Anorexia Nervosa Dry, dull hair and hair loss Dry Skin Brittle nails Large weight loss over a short period of
time Abdominal pain Growth of fine body hair Cold Faint; light headed
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Anorexia Nervosa Celebrities
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Anorexia Nervosa
Medical help Long term problems
Stomach Kidneys Bowels Heart
Death
https://www.youtube.com/watch?v=sz-nPMTXduo
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Bulimia Nervosa
Eat disorder in which a person eats a large amount of food and then tries to remove the food from his or her body
Binging Eat a large amount of food in a short period
of time Triggered by :
Depression Anger Boredom
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Feelings of Shame
Purging Throwing Up Laxatives Diurectics ( urinate) Overexercise
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Cycle of Binging & Purging
Hurts Body Functions Acid Teeth Gums Throat Cheeks Jaw
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Warning Signs of Bulimia
Spend a lot of time thinking about food Steal food Take trips to the bathroom immediately
after eating Make themselves throw up after eating Hide food in strange places Exercise Excessively
*** May be treated by a doctor **
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Celebrities with Bulimia
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Binge Eating Disorder
Disease in which a person cannot control how much he/ she eats
Emotional Problems Do not try to purge Eat large amounts of food very quickly
Junk Food Have problems controlling weight; Health
Issues Obese Overweight
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Giving Help for Eating Disorders Talk to friend
Calm and caring way Encourage your friend to get
professional help Adult, Teacher, Counselor, School Nurse
May be upset May be saving a life
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Getting Help for Eating Disorders
Not able to recover without professional help
1. Find an adult you trust Parent or another adult
2. Find a time Privately
3. Sit down, and tell the person your concerns I need your help. I am afraid I have an
eating disorder. Once I start eating, I can’t stop. I’m not even hungry when I eat.
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Professional Help
Without 20% of people with eating disorders die
With 60% of people who have eating disorders
recover 20% of people who have eating disorders
make partial recoveries 20% of people who have eating disorders
do not improve
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Healthy Weight
Healthy Weight Range Estimate of how much you should weight
depending on your height and body frame Factors?
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Body Mass Index (BMI)
Mathematical formula that uses height and weight to evaluate body composition
Calculating BMI BMI = weight in pounds x 704.3 / height in
inches squared Is it Accurate?
Does not account for frame size Fit & athletic may be overweight
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Keeping a Healthy Energy Balance Energy Balance Eat more Food
Body uses for daily activities Gain weight
Same amount of food Physical activity Maintain weight
Body needs more energy Food Lose weight
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Fad Diets
Diets that promise you quick weight loss with little effort
Special products Pills Shakes
Avoid certain foods Sugar
Weight gain / loss Time Harm health