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Science 10-4: Nutrition (Day 3). questions you will answer:. What are the short-term and long-term consequences of too many nutrients? How does a “high sugar” and “high fat” diet impact our society? What are the short-term and long-term consequences of too few nutrients?
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questions you will answer: • What are the short-term and long-term consequences of too many nutrients? • How does a “high sugar” and “high fat” diet impact our society? • What are the short-term and long-term consequences of too few nutrients? • How does society influence body image and eating habits?
How much do you need? • An individual’s energy requirements depend on: • age • gender • activity level
over consumption • When more calories are consumed than used, extra energy is stored by the body as fat. • Long-term effects of extra calories may be weight gain or obesity.
over consumption • Lifestyle choices contribute to the onset of type II diabetes: • obesity • poor diet • lack of physical activity • eating foods high in sugar • eating of foods high in saturated and trans fat • Diabetes may result in a shorter life expectancy, blindness, kidney failure, heart attack, stroke, and amputations
Over consumption and society • As life has moved from the farm to the city, diet has changed from fresh to processed • Processed foods are: • high in sugar • high in fat • high in calories • In 2010, 7.6% of the Canadian population was diagnosed with type II diabetes Jaime Oliver – TED Talk
Over consumption and society • Aboriginal, Asian, African and Hispanic peoples are more likely to develop types II diabetes than the general population • Higher risk is due to: • genetics • decreased physical activity • change from traditional foods to processed foods
under consumption • When fewer calories are consumed than used to body uses energy stores. • Long-term effects of too few calories is weight loss. • Individuals that lose too much weight may suffer from organ failure
under consumption • Anorexia nervosa is a mental disease related to the fear of gaining weight. Victims view themselves as fat, no matter how thin they are. • Bulimia nervosa is a mental disease related to the sufferer eating too much (binging) then getting rid of the food (purging) Dying to be Thin