Parkinson's disease is a chronic progressive neurodegenerative disorder characterized by
resting tremor, slowness of movements, rigidity, gait disturbance and postural instability …

We conducted a systematic review and meta‐analysis aimed at establishing robust
prevalence estimates and identifying clinical correlates of fatigue in PD. From 2,459 titles …

We performed a multicenter survey using a semistructured interview in 1,072 consecutive
patients with Parkinson's disease (PD) enrolled during 12 months in 55 Italian centers to …

Prevalence rates of depressive disorders in Parkinson's disease (PD) vary widely across
studies, ranging from 2.7% to more than 90%. The aim of this systematic review was to …

Although still considered a paradigmatic movement disorder, Parkinson's disease (PD) is
associated with a broad spectrum of non‐motor symptoms. These include disorders of mood …

Objectives: Fatigue is a common feature of physical and neurological disease as well as
psychiatric disorders, often reported amongst patients' most severe and distressing …

Objective: To evaluate frequency, severity, and correlation of nonmotor symptoms (NMS)
with motor complications in fluctuating Parkinson disease (PD). Methods: The Multicenter …

Epidemiological research aims to provide information on the development, prevalence and
progression of diseases, and their associated risk factors. Epidemiological research is thus …

Depression is a common comorbid condition in Parkinson's disease (PD) and a major
contributor to poor quality of life and disability. However, depression can be difficult to …

Background Physical exercise is effective in managing Parkinson's disease (PD), but the
relative benefit of different exercise types remains unclear. Objectives To compare the …