Parkinson’s disease is a disorder of the nervous system, with primary symptoms including tremor, stiffness in the limbs and difficulty with walking and balance. The symptoms worsen as the disease progresses, affecting the patient’s quality of life adversely. Parkinson’s disease, which presents itself when the dopaminergic neurons in the brain, is the second most common neurodegenerative disorder globally after Alzheimer’s disease. Although Parkinson’s disease is generally seen in people over the age of 60, younger people may have early-onset forms, which are often inherited.

In the advanced stages of the disease, the patient may experience difficulty walking and speaking, and become unable to perform simple daily tasks. Even though this progressively degenerative disease does not have a known cure yet, some of its symptoms may be alleviated with certain medicines or a device that is surgically planted in the brain.