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What’s meant by a Healthy person ?

physical fitness. mental health. and social well-being.”. What’s meant by a Healthy person ?. Absence of disease ?. According to World Health Organization (WHO) :. “Health does not merely mean the absence of diseases. A healthy person should be good in:. Physical fitness.

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What’s meant by a Healthy person ?

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  1. physical fitness mental health and social well-being.” What’s meant by a Healthy person? Absence of disease? According to World Health Organization (WHO) : “Health does not merely mean the absence of diseases. A healthy person should be good in:

  2. Physical fitness Every systems and organs in the body functions normally

  3. Mental health With a clear mind Able to cope with stress

  4. Social well-being Keep good relationship with peoples.

  5. Which of the following diets do you like most? ?

  6. All the above diets are made up of SEVEN types of food substances. • Carbohydrates • Fats • Proteins • Water • Vitamins • Minerals • Dietary Fibres They are necessary for the maintenance of LIFE.

  7. Carbohydrates (碳水化合物)

  8. Carbohydrates (碳水化合物) Types: 1. Starch (澱粉質) • Find in bread, rice, potato, cereals • Insoluble in water • Not sweet in taste • Can be broken down into sugars

  9. Carbohydrates (碳水化合物) Types: 2. Sugars (糖類) • Find in fruits, sugar cane & milk • Soluble in water • Sweet in taste Function:Main source of energy in body

  10. Test for Glucose: (Clinistixpaper) Carbohydrates (碳水化合物) Blue / Purple Pink

  11. Fats (脂肪)

  12. Fats (脂肪) Food sources: • Find in butter, milk cheese and meat Function: • form cell membrane • act as source of energy (food storage)

  13. Test for Fats: Spot test Fats (脂肪) Permanent translucent spot

  14. Proteins (蛋白質)

  15. Proteins (蛋白質) They are built from small unit: amino acids Food sources: • Find in fish, chicken, meat, cheese and soya beans Function: • form new cells • for growth and repair of body cells • act as source of energy

  16. Test for Proteins: (Albustix paper) Proteins (蛋白質) Yellow Green

  17. Water (水) Water is essential to life. Water makes up about 65% of the body weight in man. Functions: • take part in all biochemical reactions • acts as a part of blood

  18. This child has poor bone growth! His gum is bleeding! WHY?

  19. They are lacking of ……………………… Vitamins & Minerals

  20. Vitamins (維生素) and Minerals (礦物質) They have NO energy value. They are essential in very small amounts for maintaining good health. If there is an insufficient supply of them, we will suffer from deficiency diseases.

  21. Milk Vitamin A • Find in liver, cod liver oil, carrot, fresh green vegetable and milk • Deficiency disease: Night blindness

  22. Vitamin C • Find in fresh fruits and vegetables • Deficiency disease: Scurvy

  23. Vitamin D • Find in milk, cod liver oil and egg yolk • Skin can produce it by absorbing UV light • Deficiency disease: Rickets

  24. Milk Calcium (鈣) • Find in milk, cheese and green vegetables • Deficiency disease: Rickets

  25. Iron (鐵) • Find in liver, beef and green vegetables • Deficiency disease: Anaemia

  26. Dietary fibres (食用纖維) Food sources: • Find in oat bread, cereals, fruits and vegetables Functions: • gives bulk to the food and stimulates peristalsis of gut • prevent constipation

  27. Balanced diet (均衡膳食) A diet containing the right amounts of all the food substances. A balanced diet should contain: • carbohydrates and fats to provide energy • proteins for growth and repair • vitamins, minerals, water and dietary fibres to maintain health

  28. Balanced diet (均衡膳食) Different kinds of people will have different balanced diets. It depends on his/her……occupation!

  29. Balanced diet (均衡膳食) and … age, sex and physiological state!

  30. Balanced diet (均衡膳食)

  31. Balanced diet (均衡膳食)

  32. Balanced diet (均衡膳食) Obesity (癡肥): • energy intake > energy needs • excess energy will be stored in our body as fats • body weight > normal = overweight • serious case of overweight is obesity • Overweight people have higher risk of high blood pressure and heart disease

  33. Balanced diet (均衡膳食) Anorexia (厭食症):

  34. Balanced diet (均衡膳食) Anorexia (厭食症): • energy intake < energy needs • energy stored in body used up and people suffer malnutrition • anorexia is a mental illness • it often begins with slimming

  35. Balanced diet (均衡膳食) Anorexia (厭食症):

  36. Balanced diet (均衡膳食) Food Pyramid (食物金字塔): Eat less Fats, salt & sweet Eat moderately Meat, fish & milk Eat more Vegetables & fruit Cereals, bread, rice Eat most

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