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Research Studies
Study Tracker

Study Tracker

The most up-to-date and comprehensive source for studies on fluoride's multifaceted effects on human and animal health, with 100+ years of research organized by health category, type of study, author, journal, and date.
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Fluoride and the Thyroid Gland

October 1969 | Fluoride | J.R. McLaren (Emory University, Atlanta, Georgia) | 2(4): 192-194.
EDITORIAL: In 1854 Maument (1) administered to a dog from 20 to 120 mg sodium fluoride daily for four months. He observed an enlargement of the neck which he interpreted as a goiter. Ever since then conflicting data concerning the action of fluoride on the thyroid gland have appeared in the medical literature. In the early part of this century several authors concurred that fluoride intake may contribute to the production of goiter. This concept led to the administration of sodium fluoride fo