micronutrient - Micronutrient deficiencies deficiencies...

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Micronutrient Micronutrient deficiencies deficiencies Prof. Pushpa Raj Sharma Prof. Pushpa Raj Sharma Department of Child Health Department of Child Health Institute of Medicine Institute of Medicine
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Micronutreints are essential to the body in small amounts because they are either components of Enzymes (the minerals) or act as coenzymes in managing chemical reactions. Nutrients, such as vitamins, iron, copper, and zinc, that are required in very small amounts by humans in order to survive, as distinguished from the macronutrients such as water, carbohydrate, protein and fat, that are needed in large quantities. Essential dietary elements required only in small quantities. They are present in the body in amounts less than .005% of body weight.
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If we could give every individual the right amount of nourishment and exercise, not too little and not too much, we would have found the safest way to health. Hippocrates
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Commonest micronutrient Commonest micronutrient deficiencies deficiencies The World Health Report published recently by WHO cites iron, vitamin A and iodine deficiencies as three of the most prevalent and critical nutrient deficiencies in the world.
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Burden of the disease Burden of the disease Globally: Between 100 and 140 million children are vitamin A deficient Anemia, mostly due to iron deficiency, affects some 2 billion people About 41 million infants are born every year unprotected from losses in IQ or more severe mental retardation due to iodine deficiency.
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Nepal: Vitamin A deficiency (VAD) causes an estimated 14,000-20,000 Nepalese children to die of infections annually. Iodine deficiency disorders (IDD) affect an estimated 10 million Nepalese nationwide A Goiter prevalence of 41.5% among females and 38.4% among males among school-aged children 6-14 years The anaemia prevalence was highest among infants aged 6-11 months (90%) and during the second year of life (87.2%), and decreased linearly with age to 59.2% in the 48-59 month age group.
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United Nations General Assembly Special Session on Children convened in May 2002 set the following targets: • The sustainable elimination of iodine deficiency disorders by 2005; • The sustainable elimination of vitamin A deficiency by 2010; • Reducing anemia prevalence, including iron deficiency by a third by 2010; • Accelerating progress towards the reduction of other micronutrient deficiencies through dietary diversification, food fortification and supplementation.
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Iodine :Micronutrient Iodide uptake is a critical first step in thyroid hormone Synthesis.10 to 25% of radioactive tracer (e.g., 123I) is taken up by the normal thyroid gland over 24 h; Iodine deficiency, there is an increased prevalence of Goiter. when deficiency is severe, hypothyroidism and
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This note was uploaded on 12/24/2011 for the course STEP 1 taught by Professor Dr.aslam during the Fall '11 term at Montgomery College.

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micronutrient - Micronutrient deficiencies deficiencies...

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