Proteins
The deficency of protein leads to kwashiorkor . the characteristic symbol of this disease is wasted muscles , thin limbs , oedema, retarted brain and body growth, dearrhoea , pot belly etc.
Marasmus is a disease is due to the deficiency of proteins and carbohydrate . the symbol of this disease is impairement growth , thin limbs, prominent ribs, thin skin etc .
The important minerals essential for humans are iodine and iron . the deficiency of iodine results in goiter. This symptom of this disease the swelling of the thyroid gland , the mental function is reduced , increased risk of still births.
The deficiency of iron cause anemia, and failure to mature RBC. This will results in low haemoglobin condtion, tiredness, weakness , increased risk of infection etc.Nutrition deficiency diseases
Vitamins are essential for human life.
Retinol
It is also known as vitamin a . the deficiency cause night blindness . the symptoms are dry skin, respiratory and urinogenital tract.
Thiamine
It is also known as vitamin b1. the deficiency cause beriberi . the symptoms are loss of appetite , fatigue, cardiac oedema etc.
Tocopherol
It is also known as vitamin E. the deficiency cause haemolytic anemia . the symptom is haemoglobin devoid RBC.