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NUTRITION
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What Is Nutrition? The study of how your body uses the food that you eat.
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What is a Nutrient A nutrient is a chemical substance in food that helps maintain the body. Some provide energy. All help build cells and tissues, regulate bodily processes such as breathing. No single food supplies all the nutrients the body needs to function.
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The six Classifications of Nutrients
Vitamins Minerals Water Protein Carbohydrates Sugars Starches Fats Cellulose
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What is the difference between sugars, starches and cellulose?
Sugars are often referred to as simple carbohydrates, basic sugar that gives you a sugar rush. Found in chocolate and candy bars, soft drinks, doughnuts and sweets. Starches are often referred to as complex carbohydrates, don’t give you the rush but lasts longer. Found in rice, potatoes, pasta and fruits. CONCEPT OF GLYCEMIC INDEX.
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Some nutrients have Calories:
Proteins Carbohydrates Fats
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Definition of a Calorie:
A unit of measure for energy in food. The scientific definition is “the amount of energy required to raise the temperature of one gram of water by 1 °C.” wikipedia.
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Calories per gram: Protein 1 Gram = 4 calories
Carbohydrates 1 Gram = 4 calories Fat Gram = 9 calories Question: If fat has more “energy,” is it better to eat fat instead of carbohydrates when fuelling up for races?
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Variables which affect nutrient needs:
1. Age 2. Gender 3. Activity Level 4. Climate 5. Health 6. State of nutrition
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Some Dietary Guidelines:
Aim for Fitness 1. Aim for a healthy weight*****
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2. Be physically active each day
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Build a Healthy Base 3. Let the pyramid guide your choices
4. Choose a variety of grains daily, especially whole grains 5. Choose a variety of fruits and vegetables daily. 6. Keep food safe to eat.
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Choose Sensibly 7. Choose a diet that is low in saturated fat and cholesterol and moderate in total fat 8. Choose beverages and foods to moderate your intake of sugars 9. Choose and prepare food with less salt 10. If you drink alcoholic beverages do so in moderation
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The END!!
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What are “processed foods?”
Processed Foods - YouTube
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