1. Healthy Active Living
Nutrition

2. Nutrition Terms
Nutrition – the process by which the body takes in and uses food.
Why is Nutrition so important?
Nutrients in food provide you with substances you need to grow and develop.
Nutrients enable you to have energy, feel and look your best, stay mentally alert.
6 out of 10 leading causes of death are linked directly to diet.
Good nutrition helps prevent chronic diseases such as heart disease, certain cancers, diabetes, and stroke.

3. Nutrition Terms Cont’d
Nutrients: chemical substances obtained from food that your body needs to function properly
Essential Nutrients: nutrients your body cannot make itself or cannot make in sufficient amounts and must therefore be received through the diet.
Calories: (kilocalories or kcal) Calories are the units we use to measure the energy in foods and the energy your body burns off.
(One pound of fat contains 3,500 calories.)

4. Nutrition Terms Cont’d
Macronutrients: comprise the greatest portion of nutrient intake, they supply energy for work. They are carbohydrates, proteins and fats.
Micronutrients: includes vitamins and minerals and are called micronutrients because they are needed in small amounts.
%DV= % Daily Value : the percentage of your recommended daily intake of a nutrient, contained in a given food portion.

5. Nutrition Terms Cont’d
Carbohydrates: the main energy source for the body, in the form of sugar, starch or fibre.
Good
Bad
Pasta, potatoes, carrots, bread, fruit, muffins, rice cereal
Candy, pop, cake, chocolate bars, tea biscuits

6. Nutrition Terms Cont’d
Proteins: A source of energy. Helps build and repair body tissues.
Good
Bad
Eggs, fish, beef, chicken, cheese, tofu
Nuts, peanut butter

7. Nutrition Terms Cont’d
Fats: a source of energy, insulator, protects vital organs
Good
Bad
Milk, cheese, olive oil, fish, nuts, veggies, lean meats
Chips, butter, bacon, any fried foods
Best
Fat
Worst
Fat
Omega 3
Unsaturated Fat
(Liquid at room temp)
Saturated Fat
(solid at room temp.)
Trans Fat

8. The Diet Breakdown

9. Energy provided by Macronutrients
Carbs – 4 calories per gram
Proteins – 4 calories per gram
Fats – 9 calories per gram
* So... For every given amount of FAT you eat, you must burn off double the calories (compared to carbs or protein)

10. Task
Complete the weekly food diary sheet with what you have already eaten today. Add to it over the next week and bring it next Monday. Complete the worksheet on nutrition and metabolism