Parkinson’s disease is a chronic and progressive disorder of the central nervous system that impairs muscle control and coordination of the patient.
In Parkinson's, neurons that make a chemical called dopamine die or do not work properly. Dopamine normally sends signals that help coordinate one’s movements.

Causes

• Death or improper working of brain cells producing dopamine (chemical responsible for coordinating movements)
• Heredity
• Old age

Symptoms

• Trembling limbs, jaw and face
• Rigidity of muscles especially of the limbs and trunk
• Slow movements
• Poor balance and coordination
• Low energy
• Speaking softly or in a monotone
• Memory problems
• Constipation
• Depression

Treatment

There is no cure for Parkinson’s disease but the symptoms can be managed by:

• Medications
• Physical therapy
• Speech therapy
• Surgical therapy (deep brain stimulation)

Prevention

There is no prevention for this disease.