Parkinson Disease, Late-Onset, also known as parkinson disease, is related to hereditary late-onset parkinson disease and parkinson disease 21, and has symptoms including angina pectoris, back pain and headache. An important gene associated with Parkinson Disease, Late-Onset is MAPT (Microtubule Associated Protein Tau), and among its related pathways/superpathways are Maturation of protein E and Parkinson's disease pathway. The drugs Dexmedetomidine and Idebenone have been mentioned in the context of this disorder. Affiliated tissues include Brain and subthalamic nucleus, and related phenotypes are abnormal autonomic nervous system physiology and hallucinations