Potential Early Indicator Of Parkinson’s Disease Discovered

Impaired sense of smell occurs in the earliest stages of Parkinson’s disease (PD) and there is mounting evidence that it may precede motor symptoms by several years, although no large-scale studies had confirmed this. In the first study involving the general population, researchers found that smell impairment can precede the development of PD in men by at least four years. The study is published in the Annals of Neurology (

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Filed under: Parkinson's Disease on April 2nd, 2008