8 citations
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March 1942 in “Journal of Endocrinology” This study found that growth in rats hindered by thyroid removal at birth can be normalized through the administration of thyroid preparations like thyroxine and artificial thyroprotein.
28 citations
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March 1942 in “Journal of Endocrinology” This article reviews studies on thyroid influence on hair growth, noting varied results, including accelerated growth in some normal and underfed rats after thyroid administration, but reports no clinical results.
1 citations
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January 1997 in “Dermatology” A woman lost her hair from stress after a bee attack and her sister's death.
2 citations
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June 1985 in “PubMed” This study observed that ethylenthiourea's lethality increases with dose accumulation and ethanol co-administration, while impaired liver function and various adverse effects were noted in long-term treated rats.
115 citations
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August 2008 in “The Journal of Clinical Endocrinology & Metabolism” In this study, T3 and T4 were found to directly influence human hair follicles in vitro, enhancing keratinocyte proliferation, prolonging the hair growth phase, and affecting pigmentation.