18 citations
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October 2009 in “Endocrinology” Different Hairless isoforms affect Vitamin D receptor activity in hair regulation, with one repressing and the other stimulating it.
27 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” 
17 citations
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August 2019 in “Archives of Cardiovascular Diseases” Low testosterone in men is a risk factor for a specific heart rhythm issue, and testosterone treatment may help prevent it.
February 2009 in “Journal of The American Academy of Dermatology” Most patients with Tuberous sclerosis had neurological or skin issues, and over half had psychiatric problems.
22 citations
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September 2000 in “Journal of Investigative Dermatology” μ-Crystallin may help hair growth by affecting thyroid hormone levels in mouse hair follicles.
September 2024 in “Brazilian Journal of Case Reports” Clomiphene testing can help find ovarian causes of high testosterone in postmenopausal women.
Trichoscopy is effective for tracking treatment progress in hair loss when used by an experienced doctor.
66 citations
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March 2018 in “British journal of dermatology/British journal of dermatology, Supplement” An imbalance between certain immune cells is linked to a chronic skin condition and may be influenced by obesity, smoking, and autoimmune issues.
April 2011 in “Medical Journal of Tabriz University of Medical Sciences and Health Services” Many patients with Alopecia Areata have underlying autoimmune disorders, especially thyroid issues.
January 2013 in “Psychiatry and clinical neurosciences” Physical symptoms in depression can reveal underlying medical conditions.