NUTRITION
UNIT REVIEW
NUTRITION
The study of foods, their nutrients, and other
chemical components, their actions and
interactions in the body, and their impact
on health and disease.
NUTRITION SCATTERGORIES
Beginning with the letter ___ name a …
Food high in carbohydrates:
Food high in protein:
Food high in fat:
Meat:
Fruit:
Vegetable:
Grain:
Dairy product:
Type of physical activity
LET’S REVIEW!
Nutrients
A substance in food that helps with body processes, growth and
repair of cells, and provides energy
Six basic classes of nutrients: proteins, carbohydrates, fats,
vitamins, minerals, and water
Proteins
Carbohydrates
needed for growth, building, repairing and maintaining tissues;
supplies energy
Main source of energy for the body (4 calories of energy per gram
of food)
Fats
Provides energy and helps the body store and use vitamins
Saturated – from dairy, solid vegetable fat, meat and poultry
Unsaturated – from plant products and fish
NUTRIENTS CONT.
Vitamins
Help the body use carbohydrates, proteins, and fats
Fat soluble- dissolves in the fat and stored in body (vitamins A, D, E and K)
Water soluble- dissolves in water and cannot be stored in the body
(vitamins B and C)
Minerals
Regulates many chemical reactions in the body
Iron- carries oxygen to through the body
Calcium- needed for building bones and teeth, and for maintaining bone
strength
Sodium- regulates and maintains the balance of fluids in the body
Water
Involved with all body processes
Makes up the basic part of the blood
Regulates body temperature
Cushions spinal cords and joints
FOOD LABELS
Food labels are required to include:
Name of the food
Net amount in weight or volume
Name and address of manufacturer, distributor, packager
Ingredients
Nutrition content
Nutrition Facts Label
Serving Size: amount of food considered a serving
Servings per Container: number of servings per container
Calories listing: number of calories in one serving
Calories from Fat: number of calories from fat in one serving
Percent Daily Value: portion of the recommended daily amount
of a nutrient by one serving
FOOD LABELS CONT.
Ingredients Listing
List of all ingredients used in a food
Product Labeling
Health claims on food giving the consumer more
information about a food product.
Organic, Fat Free, Reduced Fat, etc.
Dates on Foods
Sell by: last day the product should be sold
Best if used by: date product should be used by to
ensure quality
Expiration Date: the date after the product should
not be used
DIET AND DISEASE
A healthy diet can help reduce the risk of:
Obesity
Cancer
cardiovascular diseases
Diabetes (little or no insulin produced)
Hypoglycemia (too much insulin produced)
Osteoporosis (decrease in bone density)
Ways to reduce the risk of disease:
Maintain a healthy body weight
Eat a variety of foods- fresh fruits, veggies, fiber –rich foods
Limit fat intake especially saturated fats
Limit salty food intake (don’t add salt to meals)
Avoid drinking alcohol
Regular physical activity
NUTRITION AND SPORTS
Sports Drinks
Help replace electrolytes that are lost during physical
activity
Energy Bars
Contain ingredients that enhance performance
Contain sugars or proteins and are high in calories
Too small to provide long-lasting energy
Carbohydrate Loading
Few low carbohydrate days followed by few days of heavy
carbohydrate intake - to load muscles with glycogen
Protein Loading
Extra protein is eaten to increase muscle size
EATING DISORDERS
Anorexia Nervosa
Bulimia Nervosa
A psychological disorder that involves the irrational
fear of becoming obese and results in severe weight
loss from self-induced starvation; without appetite.
An eating disorder in which the victim follows a very
restrictive diet, then binges in response to hunger,
followed by self-induced vomiting, purging through,
laxative abuse, or following severely restrictive diets.
Compulsive Overeating
Easting very large quantities of food in one sitting
without the intention to exercise off excess calories or
purging their food.
OTHER IMPORTANT NUTRITION NOTES…
Proteins have 4 calories per serving.
CHO have 4 calories per serving.
Fat supplies 9 calories per gram.
Your diet is everything you eat or drink NOT restricted eating
behaviors or patterns.
Adolescent obesity is INCREASING.
Physical activity is an important part of healthy diet.
3,500 calories equals one pound of body fat.
Empty calorie foods are loaded with calories but no nutritional
value whatsoever.
Genetics play a vital role in body size, shape, and structure.
The main food groups are:
Starches
Vegetables
Fruits
Fats
Dairy
Protein
Time For…..
Jeopardy