1. NUTRITION

2. What is Nutrition?
The science or study of food and the way in which the body uses food.
Nutrients: A substance in food that provides energy for the body!

3. What does our body need???? 6 Essential Nutrients
Gives Body Energy
Protein
Carbohydrates
Fats
Additional Nutrients
Vitamins
Minerals
Water

4. What are Calories?
Carbs, Proteins, and Fats provide energy (calories) for the body.
Calories: Are the amount of energy food gives the body.
What happens if your body doesn’t use all its calories?
How many calories does a person need to meet their daily energy needs?

5. Carbohydrates (You Need Them!!!)
Fuel for activity = energy supply
Recommended intake = 55-60% of daily caloric intake
4 calories per gram
(For every 1 gram of carbs you eat, your gets 4 calories of energy)

6. Carbs cont. Simple (use sparingly) Complex (eat often)
Sugars
Provide sweetness
Fruit, milk, soft drinks, candy and desserts
Complex (eat often)
Comes from plant foods.
Grains, and (potatoes)
Most carbs you eat should come from complex carbs!

7. Protein
Helps form body’s structural components (muscle, hair, skin, nails)
Recommended Intake = 10-15% of daily caloric intake.
4 calories per gram

8. Fats Necessary! 9 calories per gram
Recommended intake = 30% or less of total caloric intake

9. Fats Cont. Saturated ---- Animal fats (Steaks)
Usually solid at room temperature
Too much can cause obesity, and heart disease!
Unsaturated Vegetable Fats
Monounsaturated and polyunsaturated

10. Cholesterol LDL = “Bad” cholesterol HDL = “Good” cholesterol
Foods high in saturated fat increases this type of cholesterol
Foods with unsaturated fats decrease this type of cholesterol
HDL = “Good” cholesterol
Monounsaturated fats actually increase this type of cholesterol

11. Vitamins Help chemical reactions take place in the body Fat-soluble
Stored in fat deposits in the body
A,D,E, and K
Water-soluble
Stored in the blood stream. Excess vitamins are excreted in urine.
C, B, B-6, thiamine, riboflavin, and niacin.

12. Minerals
Sodium: helps the body maintain a proper balance of body fluid and plays a major role in nerve transmission and cardiac function.
Potassium: helps to maintain your heartbeat, water balance, and nerve transmission.

13. Minerals cont.
Calcium and Phosphorus: Build bones and teeth and maintain bone strength
Iodine: Essential for proper functioning of the thyroid gland and for normal reproduction
Iron: Combines with protein to form hemoglobin, and essential element of the blood

14. Water Primary component of blood and tissue fluids
Accounts for 65% (+ or -) of your weight
Eight 8 oz glasses of water needed per day
You can live up to 50 days without food but only a few without water