Exposure to farm chemicals may cause hyperthyroidism

A recent study published in the American Journal of Epidemiology and conducted by researchers at the University of Nebraska Medical Center shows that women who live on farms, and are exposed to common farm chemicals, may have a greater risk of developing thyroid disease.

Radio Iowa reports that the researchers studied more than 16,000 women who are married to farmers and who were licensed to apply pesticides in Iowa and North Carolina.

"There is increasing evidence that environmental exposure to pesticides should be considered a potential risk factor for thyroid disease," Whitney Goldner, a researcher at the University of Nebraska Medical Center, told the news source.

She said that 12.5 percent of the women who were exposed to the pesticides developed thyroid disease, compared to between one and eight percent of the general population, Radio Iowa reports.

Certain insecticides, herbicides and fungicides have been previously reported as endocrine disruptors, which may lead to hyperthyroidism.

According to the Centers for Disease Control and Prevention, the clinical features of hyperthyroidism that are most common are nervousness, fatigue, heat intolerance, rapid heartbeat palpitation, weight loss and tremors.
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