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From Mary Shomon Your Thyroid Guide

Subclinical Hyperthyroidism May Increase Alzheimer's And Dementia Risk

March, 2001

by Mary J. Shomon

According to researchers from Erasmus Medical Center in Rotterdam and the Netherlands Institute for Health Sciences, they have conducted research that for the first time suggests that subclinical hyperthyroidism (a borderline overactive thyroid) in the elderly increases the risk of dementia and Alzheimer's disease in people over 55.

The researchers measured antibodies and thyroid stimulating hormone (TSH) levels, and found that a reduced TSH levels increased the risk for dementia and Alzheimer's disease 3.5 times. The risk for dementia was even higher in people with the combination of low TSH and antibodies.

(Clin Endocrinol (Oxf) 2000; 53: 733-737. "Subclinical hyperthyroidism and the risk of dementia. The Rotterdam study")


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