Clarifying the association between Parkinson's disease and vitiligo: a population-based large-scale study.

Objective: Our knowledge about the association between vitiligo and Parkinson's disease (PD) is sparse. We sought to investigate the bidirectional epidemiological association between vitiligo and PD.

Methods: A population-based study was conducted using Clalit Health Services (CHS) database (2002-2019) using both a cohort study and a case-control study design.