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Question

What are the different types of deficiency diseases?


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Solution

Vitamin deficiency:

  1. They are organic compounds that are not synthesized by the body.
  2. They are taken along with food.
  3. They are needed in small quantities hence they are called micronutrients.
  4. The deficiencies of vitamin in the food leads to deficiency symptoms.

Examples of Vitamin deficiency diseases:

  • Fat-soluble vitamins

Vitamins

Deficiency diseases

Thiamine (Vitamin B1)

Beri-beri, loss of apetite

Riboflavin(Vitamin B2)

Chellosis, sores at the corner of the mouth, skin disorders

Nicotinamide(Vitamin B3)

Pellagra, skin problems, diarrhoea.

Pantothenic acid(Vitamin B5)

Fatigue, muscle cramps

Pyridoxine(Vitamin B6)

Anaemia, diarrhoea

Cyanocobalamine(Vitamin B12)

Pernicious anaemia

Biotin

Dermatitis, skin problems

Folic acid(Vitamin B9)

Megaloblastic anaemia

Ascorbic acid(Vitamin C)

Scurvy, poor bone growth, slow healing

  • Water-soluble vitamins
VitaminsDeficiency diseases

Retinol(Vitamin A)

Xeropthalmia, night blindness

Calciferol(Vitamin D)

Rickets in children, osteomalacia in adults

Tocopherol(Vitamin E)

Reproductive failure, muscular dystrophy, macrocytic anaemia

Phylloquinone(Vitamin K)

Profused and prolonged bleeding, clotting time increases.

Mineral deficiency:

  1. They are inorganic molecules that are required in various biological processes.
  2. They are essential nutrients but are needed in trace amounts.
  3. Their deficiency causes deficiency diseases.
MineralsDeficiency diseases
CalciumOsteopenia decreased calcium density in bones, risk of bone fractures
IronAnaemia
MagnesiumWeakness, nausea, vomiting
PotassiumExcessive fluid loss, kidney disease
ZincLoss of taste, smell, and appetite
IodineGoitre, swelling in the neck
SodiumExcessive fluid loss, heart disease
PhosphorousUnderdeveloped teeth and bones
ManganeseTeeth grinding, convulsions, muscle contractions.

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