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INTRODUCTION TO NUTRITION.pptx

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INTRODUCTION TO NUTRITION.pptx

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The word nutrition originated from Latin word nutr- means ‘to nurture or nourish’.
Introduction: Nourishment is essential to sustain life.
Everybody needs energy from conception to death to carry out vital function.
Health: It is a state of complete physical, mental and social wellbeing and not merely the absence of disease and infirmity.
Nutrients: These are the components of food that are essential for the body in suitable amounts, includes proteins, fats, carbohydrates, vitamins, minerals and water.
Nutritional status: It is the condition of the health of the individual as influenced by the intake and utilization of the nutrients. These can be determined by the medical, dietary history, physical examination and through appropriate biochemical investigations.
Malnutrition: It is a condition resulting from a deficiency, excess or imbalance of nutrients.
Undernutrition: Deficiency of calories/ one or more essential nutrients.
Overnutrition: Excess of one or more nutrients especially calories.
Role of nutrition in maintaing health: Growth and development
Deficiency diseases
Resists Infection
Illness and death
Prevents malnutrition


The word nutrition originated from Latin word nutr- means ‘to nurture or nourish’.
Introduction: Nourishment is essential to sustain life.
Everybody needs energy from conception to death to carry out vital function.
Health: It is a state of complete physical, mental and social wellbeing and not merely the absence of disease and infirmity.
Nutrients: These are the components of food that are essential for the body in suitable amounts, includes proteins, fats, carbohydrates, vitamins, minerals and water.
Nutritional status: It is the condition of the health of the individual as influenced by the intake and utilization of the nutrients. These can be determined by the medical, dietary history, physical examination and through appropriate biochemical investigations.
Malnutrition: It is a condition resulting from a deficiency, excess or imbalance of nutrients.
Undernutrition: Deficiency of calories/ one or more essential nutrients.
Overnutrition: Excess of one or more nutrients especially calories.
Role of nutrition in maintaing health: Growth and development
Deficiency diseases
Resists Infection
Illness and death
Prevents malnutrition


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INTRODUCTION TO NUTRITION.pptx

  1. 1. INTRODUCTION TO NUTRITION: Presented By: Ms. Tincy Thomas MSc (N)-Med Surg Nsg Lecturer- NUINS
  2. 2. INTRODUCTION: • The word nutrition originated from Latin word nutr- means ‘to nurture or nourish’. • Nourishment is essential to sustain life. • Every body needs energy from conception to death to carry out vital function.
  3. 3. DEFINITIONS: • Health: It is a state of complete physical, mental and social wellbeing and not merely the absence of disease and infirmity. • Nutrients: These are the components of food that are essential for the body in suitable amounts , includes proteins, fats, carbohydrates, vitamins, minerals and water.
  4. 4. • Nutritional status: It is the condition of the health of the individual as influenced by the intake and utilization of the nutrients. These can be determined by the medical, dietary history, physical examination and through appropriate bio chemical investigations. • Malnutrition: It is a condition resulting from a deficiency , excess or imbalance of nutrients. • Undernutrition: Deficiency of calories/ one or more essential nutrients. • Overnutrition: Excess of one or more nutrients especially calories.
  5. 5. ROLE OF NUTRITION IN MAINTAINING HEALTH Growth and development Deficiency diseases Resists Infection Illness and death Prevents malnutrition
  6. 6. FACTORS AFFECTING THE NUTRITIONAL STATUS: Psychological & Emotional factors. Gender & Age Cultural facts Food fads Food preferences Education Religion Economics Lifestyle factors Anorexia Nervosa Anorexia Bullossa Health and disease conditions
  7. 7. FACTORS INFLUENCING SELECTION OF FOOD: Superstitions Social and cultural factors Religious factors Income Geography/ Availability Advertisement and media
  8. 8. CLASSIFICATION BASED ON FUNCTIONS:
  9. 9. CLASSIFICATION BASED ON NUTRIENTS:

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