Several studies have reported a lower prevalence of Parkinson''s disease (PD) in populations of African origin than in populations of European origin, raising the possibility that the former are protected against PD. However, the confounding effects of low case ascertainment and high selective mortality on PD prevalence estimates in populations of African origin cannot be ruled out at this time. One hypothesis consistent with available data is that populations of African origin are vulnerable to vascular parkinsonism, which is associated with high mortality.

Keywords:
Parkinson's disease, Black African, Black American
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© 1996 S. Karger AG, Basel
1996
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