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Transcript of Nutrition
There isn't a "one size fits all" diet. These are simply recommendations for a healthy diet.
Eating for Health
Eat a variety of Foods
The six classes of nutrients
What is a calorie?
What do you think they are?
The body needs 20 different amino acids.
Each gram produces 4 calories
Each gram produces 9 calories
All of these different nutrients provide?
A unit of measure for both the energy supplied by the food and the energy used by the body.
But what does this mean?
Its a nutrient needed to build, repair and maintain body tissue...like muscle
They also help our bodies resist infection.
Each gram of protein produces 4 calories.
Proteins are made up of 20 different kinds of Amino Acids
Your body produces 11 of these. The other 9 come from foods that you eat.
Can you think of some examples?
Fiber is apart of grains and plant foods
It can not be digested, but why is it important.
Saturated Fats (contribute to cholesterol)
Why would we not want too much saturated fat in our diet?
Makes up a part of blood
Helps remove waste
Regulates body temp.
Cushions the spinal cord and joints
Then why do we need them?
Fat-Soluble (A,D,E and K)
Water soluble (B1 and C)
Minerals are nutrients that regulate many chemical reactions
What are some different minerals and why are they important.
Vitamins DO NOT supply energy
Two different types of vitamins
Balance the food you eat with physical activity
Choose a diet low in fat, saturated fat, and cholesterol
choose a diet with plenty of grains, vegetables, and fruits
choose a diet moderate in sugars
Choose a diet low in sodium
Small amounts are important for brain, skin, and nerve cells.
Too much can cause plaque build up
No not the stuff on your teeth
Hardened fatty deposits in blood vessels.
Blood pressure rises to supply more blood
This can cause heart attack or stoke
How can you reduce cholesterol?
Through a balanced diet and exercise
Low Density Lipoproteins
High Density Lipoproteins
Ways to Reduce Cholesterol
Lean red meat, fish, and chicken...can you name others?
Read labels carefully. (We will be going over this in a later lesson.)
Diet and Cancer
Eat plenty of fruits
This will reduce the risk of cancer of the stomach, liver, mouth, pancreas, overy, and etc.
Eating foods in the cabbage family also help
Cauliflower, broccoli, and Brussels sprouts.
Disease in which the body produces little or no insulin.
Insulin is a hormone that regulates blood sugar levels
Hypoglycemia is when the pancreas produces too much insulin.
Symptoms include dizziness, weakness, or irritability
A person who chooses sources of health-related information and buys or uses health products and services.
How can you be a cautious consumer?
A food label is required to be on all
Food labels are based on a 2,000 calorie diet
What does this mean for you?
A nutrition panel of information
The Cautious Consumer
Sample Food label
What About Ingredients?
What healthy choices can you make when eating out?
Select healthful food
Follow dietary guidelines
Follow guideline preventing heart disease and cancer
Food borne Illness
Food that have been contaminated by germs or toxins.
Symptoms include fever, vomiting, cramps and in extreme cases DEATH
Sever poising from improperly canned food.
Rare, but is also deadly
Fast Food Activity
What is Hunger
The physiological need for food
What is Appetite
The desire for food that is determined by environmental and psychological factors
Family- (Celebrating or reward)
How might your appetite effect your eating habits?
Appetite and Eating Habits
Harmful Eating Habits
Lets look at the situations in the book pg. 194
Desirable Weight and Body Composition
What does it mean to have a desirable weight?
The % of fat tissue and lean tissue in the body
For Boys Healthy Body fat >18
For girls Healthy Body Fat >25
Why are these #s different?
How Can You Maintain a Desirable Weight?
Through Weight Management
A combination of exercise and a healthy diet
Lets look at the chart on pg. 198-199
To maintain Weight:
To lose Weight:
Calories Burned should be more than Food
Vice versa for Gaining Weight
All Bodies Are NOT Created Equal
What is it?
How is it effected by...
Friends and family
Can you think of any eating disorders?
It can even cause death!!!
Defined as a food-related dysfunction in which a person changes eating habits in a way that is harmful to the mind and body.
An eating disorder characterized by self-starvation and a weight of 15% or below normal.
Do you think more girls
suffer from this or boys?
This disorder will damage the liver, heart, kidneys and other organs.
An eating disorder in which a person has uncontrollable urges to eat excessively and then to rid the body of the food
Its known as the "secret eating disorder"
Symptoms: stomach acid ruins teeth and gums, frequent use of diuretics and laxatives ruins kidneys and intestines, ruining of stomach lining.
Other Eating Disorders
These syndromes are less known, but are on a steady rise.
Negative Effects of Eating Disorders