Parkinson's diseaseNameInstitutionParkinson's diseaseOverviewParkinson's disease is an illness that causes progressive malfunctioning of the nervous system thereby affecting movement. The disease manipulates itself slowly in the human body and usually begins with a not easy to notice tremor on one hand. Accordingly, the disease leads to the stiffening of the body and slowing movement of a person. During the early stages of the disease, people often start losing facial expression and their arms often fail to swing during movement. Sometimes, speech becomes soft or slurred and as the disease progresses, symptoms get worse. Even though the disease is not curable, treatment can lower the damages it causes. In severe cases, doctors suggest surgery to prevent certain areas of the brain from damage.SymptomsParkinson's disease signs and symptoms may be different for every patient. Initial signs may be minor and can go unnoticed. The warning sign usually appears on one side of the body and causes extensive damage on that side, even after the signs begin to show on the side that is not infected (Waldner, Dassati, Redl, Smania and Gandolfi, 2018). The signs may include: