The syndrome of dystonia‐parkinsonism can be acquired (medication‐induced, lesion‐associated, toxic, infectious, prion, autoimmune) and genetic (TAF1, PRKRA, ATP7B, GBA, HTT, SLC19A3, ATP1A3, KMT2B, PLA2G6, GCH1, PRNP, and mitochondrial disorders—many of which are associated with iron accumulation).10 Here, GBA1 is linked to Parkinson disease.