Obesity, starvation, malnutrition, healthy diet and metabolic rate.
5 Nutrition. 2 –Healthy body needs good nutrition –Manner in which foods are used Diet...
Transcript of 5 Nutrition. 2 –Healthy body needs good nutrition –Manner in which foods are used Diet...
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Nutrition
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Nutrition • Nutrition
– Healthy body needs good nutrition– Manner in which foods are used
• Diet – Malnutrition– Obesity
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The Food Guide Pyramid
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• Carbohydrates
• Fats and lipids
• Proteins
• Vitamins
• Minerals
• Water
Nutrients
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• Fruits, grains, and legumes
• Energy increase
• Cariogenic foods– Breakdown of sugars causes cavities– Nursing bottle syndrome (NBS)– Preventative Measures
• Fiber
Carbohydrates
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Fats and Lipids
• Both are insoluble in water
• Fats are derived from a solid
• Lipids are the oils from a liquid
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Proteins• Complete proteins
– Contain all ten essential amino acids• Animal proteins
– Eggs, milk, and meat
• Incomplete proteins– Contain less than ten amino acids
• Vegetables and grains
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Fat-Soluble Vitamins• Vitamin A
– Carotene versus Retinol
• Vitamin D
• Vitamin E
• Vitamin K
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Water-Soluble Vitamins• Vitamin C
– Prevents toothaches– Holds cells together – Found in citrus products
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Water-Soluble Vitamins
• Deficiency (Vitamin C)– Improper tooth development– Ulcerated gums – Slow healing process
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Water-Soluble Vitamins• Vitamin B Complex
– Thiamin (B1)– Riboflavin (B2)– Niacin (B3)
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Water-Soluble Vitamins
• Deficiency (Vitamin B)– Angular Cheilosis– Glossitis– Pellagra
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Minerals• Major minerals
– Calcium, phosphorus, sodium, potassium, sulfur, magnesium, and chlorine
• Trace minerals– Copper, chromium, molybdenum, selenium,
manganese, iodine, iron, zinc, cobalt, and fluorine
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Water• Most abundant nutrient in the body
• Primary functions– Solvent for the biochemical reactions– Removes toxic waste from body
• Must be replenished daily– 8 glasses per day recommended– Coffee and alcohol are diuretics
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Balancing Energy
• Calories
• Metabolism– Metabolic rate is the relationship of calories
consumed to the calories energized – Basal metabolic rate (BMR) is the energy
used when a person is at rest
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Nutrition Labels• Standardized format
• Ingredients
• Serving size
• Calories
• Nutrients
• Preservatives
• Organic
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Nutrition Labels
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Eating Disorders• Chronic dieting syndrome
• Bulimia
• Anorexia nervosa
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Chronic Dieting Syndrome• Characteristics
– Large fluctuations in weight– Compulsive overeating– Use of dieting pills
• Complications– Chemical imbalances– High anxiety levels
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Bulimia• Characteristics
– Secretive, obsessive – Binge eating, vomiting– Laxative abuse– Excessive exercise
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Bulimia
• Complications in oral cavity– Tooth enamel erosion– Sensitivity to hot and cold– Swollen and tender saliva glands
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Anorexia Nervosa
• Characteristics– Extreme aversion to food– Eating perceived as punishment– Food obsessions
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Anorexia Nervosa• Complications in oral cavity
– Tooth enamel erosion – Unhealthy gums– Week teeth– Rapid decay
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Diet, Culture, and Religion
• Variety of foods– Foods may be unfamiliar– Be informed when making suggestions
• Variety of backgrounds– Avoid stereotyping