title: Aetiology of Parkinson's disease.
abstract: It is suggested here that in most cases of Parkinson's disease the cause may be an environmental factor, possibly toxic, superimposed on a background of slow, sustained neuronal loss due to advancing age.
mesh_terms: D015632:1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; D000375:Aging; D000818:Animals; D004200:Diseases in Twins; D004781:Environmental Exposure; D006801:Humans; D008959:Models, Neurological; D009498:Neurotoxins / Q000506:poisoning; D010300:Parkinson Disease / Q000209:etiology* / Q000235:genetics; D011725:Pyridines / Q000506:poisoning; D014777:Virus Diseases / Q000150:complications
chemical_list: D009498:Neurotoxins; D011725:Pyridines; D015632:1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine