questions you will answer: • What are nutrients? Where do nutrients come from? • What are the short-term and long-term consequences of too many or too few nutrients? • How can individuals make healthy eating and lifestyle choices
what are nutrients? • Nutrients are substances found in food • Nutrients provide nourishment to your body • 6 main types of nutrients: • carbohydrates • fats • proteins • vitamins • minerals • water BrainPOP: nutrition
Nourishment and energy contained in food helps the body to keep cells, tissues and organs healthy. • In order to stay healthy, animals must consume a mixture of foods and drinks that supply enough nourishment and energy to their bodies.
roles & sources of nutrients CARBOHYDRATES FATS Stored in the body as energy source when carbohydrates are in short supply Sources: red meat, dairy, nuts, oils • Sugars and starches are the main source of energy for the body Sources: • rice, bread, cereal, potatoes, pasta
roles & sources of nutrients PROTEINS VITAMINS Help carry out life functions like growth and reproduction Sources: fruits and vegetables • Build and repair body tissue Sources: • meat, eggs, dairy, beans, nuts
roles & sources of nutrients MINERALS WATER Helps carry out life functions, moves nutrients and waste products Sources: beverages, foods high in water like fruits and vegetables • Important to strong bones and teeth. Also help carry out life functions Sources: • dairy, fruits and vegetables
malnutrition • Malnutrition occurs when nutrients are missing from a diet. • Can occur when people: • eat too little • make poor eating choices
Diets • “Diet” refers to the amount and type of food you eat. • A mixed diet contains a wide variety of foods: • grain products • fruits & vegetables • milk products • meat & meat alternatives
Diets • A vegetarian diet lacks meat products • Vegetarian diets: • high in fibre • low in fat • may lack vitamins • may lack calcium
Diets • A “fad diet” refers to a current diet craze • Fad diets usually involve weight loss • Examples: • cabbage soup diet • grapefruit diet • Atkins diet • Caveman diet Caveman Diet
Canada's food guide • Canada’s Food Guide helps Canadians make healthy choices • Five guidelines: • Eat a variety of foods • Eat whole grains, fruits and vegetables • Chose low fat foods • Participate in physical activity • Limit salt, sugar, alcohol and caffeine intake Canada’s Food Guide
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