PARKINSON'S DISEASE NEWS

3rd July 2008 - New research

THYROID FUNCTION IN PARKINSON'S DISEASE

Parkinsonism Related Disorders [1999] 5 (1-2) : 49-53 (Bonuccelli U, D'Avino C, Caraccio N, Del Guerra P, Casolaro A, Pavese N, Del Dotto P, Monzani F.) Complete abstract

Thyroid disease is the endocrine dysfunction most frequently reported in association with idiopathic Parkinson's Disease. The aim of this study was to assess thyroid function in Parkinson's Disease, and to verify the effect of long term L-dopa or dopaminergic therapy on thyroid function. Thyroid dysfunction was observed in over than 10% of people with Parkinson's Disease. No significant difference in the prevalence of thyroid autoimmunity and dysfunction was found between people with Parkinson's Disease and those with other nerological disorders. Treatment with L-dopa and other dopaminergic drugs did not affect thyroid function. The severity of Parkinson's Disease did not affect thyroid function either. L-dopa and the thyroid hormones are made from L-tyrosine - a nutrient normally consumed in the diet. Therefore, somebody who has both Parkinson's Disease and Hypothyroidism may be suffering, at least partially, from L-tyrosine deficiency, a problem that can be readily resolved using an L-tyrosine supplement.

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Parkinson's Disease details all significant new research, news reports, new books, and new resources concerning Parkinson's Disease and those medical disorders that often coincide with Parkinson's Disease : Parkinsonism, Essential Tremor, Dystonia, Restless Legs Syndrome, and Dementia. It is compiled from an analysis of  all newly published research, news reports, new clinical trials, all newly published books, and new web sites. A summary and analysis of the new research are provided,  as well as links to the complete abstracts and news reports.