Parkinson's disease (PD) is a common neurodegenerative disorder. While a number of
nonmotor manifestations arise, the typical clinical features involve a movement disorder …

The etiology of Parkinson's disease (PD) is not well understood but likely to involve both
genetic and environmental factors. Incidence and prevalence estimates vary to a large …

Parkinson disease (PD) is the second most common age-related neurodegenerative
condition diagnosed in North America. We recently demonstrated, using multiple …

Estimates of the prevalence of Parkinson's disease in North America have varied widely and
many estimates are based on small numbers of cases and from small regional …

Parkinson's disease (PD), following Alzheimer's disease, is the second‐most common
neurodegenerative disorder in the United States. A lack of treatment options for changing …

The causes of Parkinson's disease (PD), the second most common neurodegenerative
disorder, are still largely unknown. Current thinking is that major gene mutations cause only …

Importance Changes over time in the incidence of parkinsonism and Parkinson disease
(PD) remain uncertain. Objective To investigate secular trends (period effects) and birth …

Parkinson's disease is a common progressive bradykinetic disorder that can be accurately
diagnosed. It is characterised by the presence of severe pars-compacta nigral-cell loss, and …

Parkinson's disease (PD) is a common motor disorder of mysterious etiology. It is due to the
progressive degeneration of the dopaminergic neurons of the substantia nigra and is …

The goal of this study was to estimate the incidence of Parkinson's disease by age, gender,
and ethnicity. Newly diagnosed Parkinson's disease cases in 1994–1995 were identified …