TLDR People with hair loss conditions may also have thyroid disorders, but more research is needed to understand the connection.
The review "Study of the Thyroid Profile of Patients with Alopecia" examines the relationship between thyroid hormones and various types of alopecia. The research indicates that alopecia and thyroid disorders may share a common autoimmune background. Alopecia areata (AA) shares a common autoimmune background with autoimmune thyroid diseases, and its severity may increase if thyroid anomalies are present. Telogen effluvium (TE) is associated with thyroid anomalies in 5.7% to 17% of cases, while frontal fibrosing alopecia (FFA) is associated with thyroid conditions in up to 50% of cases. The prevalence of thyroid illness in alopecia patients ranges from 8% to 28%, with a significant link between alopecia and thyroid autoimmunity. The review concludes that while severe thyroid diseases can impact hair development, the pathogenic link between various forms of alopecia and these diseases is not clear, and further research is needed. The document suggests that a multidisciplinary team is required to improve patient outcomes and quality of life.View this study on mdpi.com →
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Hair transplant destroyed by lichen planopilaris.