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Mention the food constituents which may be lacking in die in
1. A child having rickets.
2. A person suffering from scurvy.
3. A person suffering from beri-beri
4. A child suffering from kwashiorkor
5. A person suffering from poor eyesight.
6. A person suffering from anaemia.
Answers
Answer:
Vitamin deficiency is the condition of a long-term lack of a vitamin. When caused by not enough vitamin intake it is classified as a primary deficiency, whereas when due to an underlying disorder such as malabsorption it is called a secondary deficiency. An underlying disorder may be metabolic – as in a genetic defect for converting tryptophan to niacin – or from lifestyle choices that increase vitamin needs, such as smoking or drinking alcohol.[1] Governments guidelines on vitamin deficiencies advise certain intakes for healthy people, with specific values for women, men, babies, the elderly, and during pregnancy or breastfeeding.[2][3][4][5] Many countries have mandated vitamin food fortification programs to prevent commonly occurring vitamin deficiencies.[6][7][8][9]
Conversely hypervitaminosis refers to symptoms caused by vitamin intakes in excess of needs, especially for fat-soluble vitamins that can accumulate in body tissues.[2][4][10]
The history of the discovery of vitamin deficiencies progressed over centuries from observations that certain conditions – for example, scurvy – could be prevented or treated with certain foods having high content of a necessary vitamin, to the identification and description of specific molecules essential for life and health.
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Answer:
1. Rickets is a bone disorder caused by a deficiency of vitamin D, calcium, or phosphate.
2. Scurvy is a condition characterised by general weakness, anaemia, gingivitis (gum disease), and skin haemorrhages caused by a prolonged deficiency of vitamin C (ascorbic acid) in the diet.
3. A disease in which the body doesn't have enough vitamin B1 (thiamin).
4. It is a form of malnutrition caused by a lack of protein in the diet.
5. Vitamin A deficiency is one of the most common causes of blindness in the world. This vitamin is essential for maintaining your eyes' light-sensing cells, also known as photoreceptors.
6. Vitamin deficiency anemia is a lack of healthy red blood cells caused when you have lower than normal amounts of certain vitamins. Vitamins linked to vitamin deficiency anemia include folate, vitamin B-12 and vitamin C.