Multifaceted issues faced by patients with Parkinson’s disease (PD) and genetics knowledge, using the examples of GBA1– and PRKN-related PD, can be applied clinically to aid personalized management. This includes a better understanding of the disease course and prognostication; enhanced selection and informed decision-making for treatments like deep brain stimulation (DBS); improved diagnosis in patients with atypical clinical features; assisting in family planning; and allaying anxiety, fear, or guilt.1,2

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