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biological

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Parkinson’s disease

Parkinson’s disease Parkinson’s disease is a progressive degenerative neurological disorder marked by resting tremor, rigidity, slowed voluntary movement, stooped posture, a reduced facial expression, and a tendency to fall backward.

Parkinson’s disease is a progressive degenerative neurological disorder marked by resting tremor, rigidity, slowed voluntary movement, stooped posture, a reduced facial expression, and a tendency to fall backward. It is associated with loss of pigment-containing neurons in the substantia nigra and other brainstem nuclei, with Lewy bodies commonly found in the substantia nigra and locus coeruleus.