parkinson`s disease infographic. symptoms of a parkinsonism

039 agitans alzheimer body brain care cell cleft death deficit dementia design diagnose diagnosis diagram disease disorder doctor dopamine elderly fingers hand hands health healthy hypokinetic idiopathic illness illustration infographic lewy loss medical medicine mental mind muscle nervous neurology neuron nigra old palm palsy paralysis parkinson parkinsonism patient person poster problem rigid rigidity senior shaking substantia symptom synaptic syndrome therapy treatment tremor vector walk