Ans. Diabetes Mellitus
The blood glucose concentration is maintained at the rate of 80 to 120 mg per 100 ml of blood.
If a person's pancreas does not make normal quantity of insulin, the blood glucose concentration rises and we say that the person has diabetes mellitus.
Symptoms
Persons with diabetes have loss of body weight, weakening of muscles and tiredness.
Treatment .
The disease can be controlled by insulin administration. Formerly insulin extracted from animals was used for this purpose. But now human insulin produced from bacteria through genetic engineering is available.