Parkinson’s disease , a disease related to the brain is caused due to the deficiency of:

 # Parkinson’s disease , a disease related to the brain is caused due to the deficiency of:

 A. Dopamine

B. Vasopressin

C. Adrenaline

D. Parathormone

 

The correct answer is A. Dopamine.

Parkinson's disease is caused by a loss of nerve cells in the part of the brain called the substantia nigra.

Nerve cells in this part of the brain are responsible for producing a chemical called dopamine.

Dopamine acts as a messenger between the parts of the brain and nervous system that help control and co-ordinate body movements.

If these nerve cells die or become damaged, the amount of dopamine in the brain is reduced.

This means the part of the brain controlling movement cannot work as well as normal, causing movements to become slow and abnormal.

The loss of nerve cells is a slow process. The symptoms of Parkinson's disease usually only start to develop when around 50% of the nerve cell activity in the substantia nigra have been lost.