Olfactory dysfunction is an early 'pre-clinical'sign of Parkinson's disease (PD). The present
review is a comprehensive and up-to-date assessment of such dysfunction in PD and …

Parkinson's diseuse, a disorder of unknown cause, is a distinct clinical and neuropathologic
entity, characterized clinically by bradykinesia, resting tremor, cogwheel rigidity, and …

Parkinson's disease (PD) is the second most common neurodegenerative disorder after
Alzheimer's disease, affecting approximately 1 percent of the population over age 50 …

Despite being the subject of intense study, the pathogenesis of Parkinson's disease still
remains unclear. In recent years, however, there has been increasing evidence to support a …

OBJECTIVE: To evaluate olfactory function in Parkinson's disease. METHODS: A
standardised odour identification test was used, together with an evoked potential …

In a case-control study, we investigated the possible etiologic relevance to Parkinson's
disease (PD) of rural factors such as farming activity, pesticide exposures, well-water …

Background The serotonin transporter of the brain provides the primary target for the action
of selective antidepressant drugs. We set out to identify polymorphisms of the serotonin …

Background The first-pass metabolism of foreign compounds in the lung is an important
protective mechanism against oxidative stress. We investigated whether polymorphisms in …

Interactions between genetic factors and environmental exposures are thought to be major
contributors to the etiology of Parkinson's disease. While such interactions are poorly …

Background The dietary reference values for folate, as for other nutrients, are targeted to the
general and supposedly normal population, not people with special needs, such as those …