Chapter 8 Eating Responsibly. Lesson 1 Nutrition and Your Life.
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Transcript of Chapter 8 Eating Responsibly. Lesson 1 Nutrition and Your Life.
Chapter 8
Eating Responsibly
Lesson 1
• Nutrition and Your Life
Nutrition
• The study of nutrients and how the body uses them
Overweight
• Excess body fat
Obesity
• 20 percent above your recommended weight range
Nutrients
• Substances in food that your body needs
Digestion• Process of breaking down food into a form your
body can use.
Diet
• Pattern of eating that includes– What a person eats– How much a person eats– How often a person eats
Factors that influence food
choices• Peer pressure
• Foods common in your culture
• Convenience
• Costs
• Personal taste
• Family traditions
• Religious traditions
• Availability
Lesson 2
• Nutrients You Need
Kinds of Nutrients
• 1-those that provide energy– Proteins, carbohydrates and fats
• 2-Those that make your body run smoothly– Vitamins, minerals and water
• 3-Water helps– transport nutrients– lubricates your joints– Regulates body temperature
Calories
• The amount of energy your body gets from a food that is measured in units
Metabolism
• The process of converting the energy in food into energy your body can use
Carbohydrates
• Sugars and starches that occur naturally in foods, mainly in plants
• Simple carbohydrates– Molecules that are separate
• Fruit, vegetables, milk
• Complex carbohydrates– Molecules that form long chains
• Grains, rice, pasta, dried beans, potatoes
Fats
• Provides energy
• Helps the body store vitamins
• Stores vitamins, A,D,E,K
• Saturated fats
Proteins
• Repair, build, and maintain cells and tissues– Beef, pork, veal, fish, poultry, eggs and most
dairy products– Beans, nuts, and tofu are vegetable sources
of protein
Vitamins • Substances that help
your body fight infections and other jobs– Water soluble- dissolves
in water• C and B. Lack of C can
cause scurvy
– Fat soluble- stored in the body’s fat
• A D E K• Lack of A could cause
night blindness
Minerals
• Elements that are essential for good health.– Calcium and phosphorus keep bones – and muscles strong– Sodium and potassium regulate blood pressure– With the lack of zinc, you may develop coarse,
brittle hair– Lack of iodine affects growth and causes
• the thyroid to swell.
Water
• Carries nutrients and wastes throughout your body
• Regulates body temperature
• Blood circulation• Fills spaces between
cells• Keeps joints moving
smoothly
Lesson 3
• Making Healthy Choices
Dietary Guidelines
for Americans
• Are a set of suggestions developed by nutrition scientists and public health agencies to help with healthy habits
Dietary Guidelines for Americans
• 1 Choose healthy nutritious food– More grains, fruits, vegetables
• 2 Stay fit– Have daily activity and stay at healthy weights
• 3 Limit substances that increase disease risk– Foods that are low in saturated fat, trans fats,
sugar, salt, and cholesterol
My pyramid food guidance system
• A system designed to help Americans make healthful food choices
Nutrition Facts Label
• Facts that are found on the outside of packages of food and helps you make good food choices
Serving size
• Is the standard amount of food that allows different foods to be compared with one another
Portion• Is the amount of food that a person wants
to eat
Lesson 4
• Body Image
Body Image
• Is how you feel about and see your body
Self-Esteem• How much you value, respect, and feel
confident about yourself.
Influences on the body image
• 1-Family and friends
• 2-Teachers and coaches
• 3-The media
Positive self-talk• Is a way of encouraging yourself by saying
positive statements to yourself
Lesson 5
• Eating Disorders
Overexercising
• Exercising too much to lose weight but can be harmful to your health
Eating Disorders
• A disease that involves an unhealthy concern with one’s body weight and shape
Anorexia Nervosa
• Self-starvation
Signs and Symptoms• Dry and 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• Feels cold all the time• Feels faint or light headed
Bulimia Nervosa
• When a person eats large amounts of food then tries to remove the food from their body
Signs and symptoms
• Spends a lot of time thinking about food
• Steal food
• Take trips to the bathroom immediately after eating
• Throw up after eating
• Hide food in strange places
• Exercise excessively
Binging
• Eating large amounts of food in a short period of time.
Purging
• Attempts to get rid of food.– Vomit– Laxitives– Diuretic– Overexercising
Binge Eating Disorder
• A person who cannot control how much they eat. They do not try to purge themselves.
Signs of eating Disorders• 1- Dieting• 2-Pretending to eat• 3-Hiding or throwing away food• 4-Exercising for long periods of
time• 5-Constantly talking or
worrying about food• 6-Wearing baggy clothes• 7-Always complaining about
how he or she looks
Getting help
• Find an adult that you trust
• Find a time when you can speak to the person privately
• Sit down and tell the person your concerns clearly
Lesson 6
• A healthy body, a Healthy weight
Healthy weight range
• Is an estimate of how much you should weigh depending on your height and body frame
BMI
• Body mass index is a calculation that can help you determine your healthy weight range
Fad Diets
• Promises you quick weight loss with little effort
Chapter 8
Eating Responsibly