1-lecture 1-han- introduction_health &nutrition (1)
DESCRIPTION
Introduction_Health &NutritioTRANSCRIPT
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Health Awareness and Nutrition Department of Clinical Nutrition and
Dietetics, College of Health Sciences
University of Sharjah
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HealthA state of complete physical, mental and social wellbeing and not merely an absence of disease or infirmity (WHO, 1948)
It is the general condition of a person's body, mind and spirit
It does not only mean to be free from illness, injury or pain
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Dimensions of Health
Some dimensions of Health: Physical, mental, social, spiritual, psychological, political
Others like socio-economic, cultural, environmental, educational, nutritional, preventive, curative)
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Determinants of Health
Factors affecting our health and wellbeing:
• Age, sex and Individual Physical Makeup • Individual Lifestyle Factors • Social and Community Networks • Living and Working Conditions • Unemployment • Water and Sanitation • Health Care Services • Housing • Work Environment • Education • Agriculture and Food Production
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Nutrition and Health
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Nutrition and Diet Therapy (7th Edition)
The Health Line
Person’s health can fall anywhere along a continuum, from maximum wellness to total failure to function (death)
WellnessAll of the characteristics that
make a person strong, confident and able to
function well with family, friends and others
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Nutrition and Health: Global Perspective
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Nutrition and Health: Global Perspective
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© 2008 Thomson - Wadsworth
Nutrition and Health: Global Perspective
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Interrelationship: Health & Nutrition
Balanced diet Optimum Nutrition Good Health Imbalanced diet Malnutrition Poor Health
Under nutrition Over
nutrition Deficiencies Overweight & obesity (energy)
& imbalance Nutrient excess (fluorosis)
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Interrelationship: Health & Nutrition
Under nutrition Over nutrition
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• Balanced diet: A diet that contains all the nutrients in the right amounts and proportions to meet the nutritional requirements and enables growth and development to promote good health
• Imbalanced diet: A diet that contains one or more nutrients in excess or deficient amounts to what is required by the body
Interrelationship: Health & Nutrition
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Nutritional StatusNutritional status: The state of
nutrition in the body that is determined by the intake and utilization of nutrients
Optimum nutritional status: The state of nutrition in the body maintained by adequate intake and utilization of nutrients leading to good health
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Types of Malnutrition
Under nutrition: Inadequate state of nutrition resulting from lack of
food intake or failure to absorb or utilize nutrients in the body
It is the outcome of insufficient food intake and repeated infectious diseases leading to poor absorption. It includes:• being underweight for one’s age (low weight for
age- light), • too short for one’s age (stunted), • dangerously thin for one’s height (wasted)- low
weight for height• deficient in vitamins and minerals (micronutrient
malnutrition)
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Types of Malnutrition
Under nutrition:
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Types of MalnutritionOver nutrition: An imbalanced nutritional status resulted from excessive intake of nutrients Generally, over nutrition generates an energy
imbalance between food consumption and energy expenditure leading to disorders such as OBESITY
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Assessment of Nutritional StatusABCD Approach
A: Anthropometry: physical measurements and body composition, e.g. Height, weight, skin/fat fold thickness & circumferences
B: Biochemical tests: laboratory tests of blood, urine, stools, tissues
C: Clinical examination: physical signs and symptoms of nutritional deficiencies and excess
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Assessment of Nutritional Status
D: Dietary intake: dietary intake patterns, specific foods consumed, estimated nutrient intakes
Ecological studies: e.g. information on food production and its accessibility; socio-economic conditions; health and educational facilities; environmental conditions on health and sanitation of the area
Vital health statistics: e.g. Mortality (death) and morbidity (disease) rates
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Factors Affecting Longevity
1. DietPoor diets promote degenerative
diseases/conditions: such as, cancer, heart disease, osteoporosis, diabetes, & obesity.
Dietary factors like Fat, Sugar, Sodium, and Alcohol function in the disease process.
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Leading Causes of Death
DietRelated
Non-DietRelated
AlcoholRelated
Dea
ths
per
100
,000
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Factors Affecting Longevity
2. Exercise (physical activity)Promotes health by positively influencing
body weight/composition, metabolism, bone density, cognitive function, blood pressure, blood cholesterol, and the cardiovascular system.
Strive for 60 minutes each day.
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Factors Affecting Longevity
3. Other FactorsSmoking or tobacco use is a leading
contributor to deathHabits (lack of sleep, alcohol & drug
use)Chance (accidents)Genetics