November 2025 in “BMC Endocrine Disorders” The TT/DHT ratio may help identify PCOS patients with severe metabolic issues.
12 citations
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December 2017 in “Scientific reports” The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.
4 citations
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September 2013 in “Journal of biomolecular structure and dynamics/Journal of biomolecular structure & dynamics” Caribine from traditional Chinese medicine may help treat hair loss.
October 2024 in “Journal of the Endocrine Society” Clinicians should be aware of alternating thyroid conditions and their treatment.
Calcium and magnesium levels in hair decrease after taking supplements, indicating early metabolic changes in perimenopausal women.
16 citations
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August 2004 in “Tetrahedron” Scientists made all eight versions of a compound called cyoctol, but found it's not an anti-androgen and it fully breaks down in the skin.
June 1987 in “Pediatric Neurology Briefs” Biotinidase deficiency can cause symptoms like sleepiness, hair loss, and seizures.
January 2016 in “Huanjing yu Jiankang Zazhi” 30 citations
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February 1996 in “Journal of Investigative Dermatology” 12 citations
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January 2017 in “PubMed” Gastroparesis can cause persistent TSH elevation in hypothyroidism despite treatment.
May 2003 in “Journal of clinical oncology” 8 citations
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March 2022 in “Frontiers in Cell and Developmental Biology” Human hair follicle stem cells can help treat bone loss in osteoporosis.
12 citations
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November 2014 in “Journal of Cutaneous Medicine and Surgery” Antiviral medication valganciclovir may improve skin and hair in Trichodysplasia Spinulosa patients.
158 citations
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January 2003 in “Journal of Forensic Sciences” Hair testing can detect a single GHB exposure, useful for documenting sexual assault.
People with hair loss have more heavy metals in their hair.
19 citations
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December 1999 in “International Journal of Dermatology” Dihydroxyacetone in self-tanning lotion helped reduce sun-related skin issues in a woman with variegate porphyria.
13 citations
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August 2018 in “Clinical Chemistry” Total testosterone levels can help diagnose androgen-producing tumors and hyperandrogenism in women.
October 2022 in “Linköping University medical dissertations” The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.
23 citations
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October 2009 in “Gastroenterology” Vitamin D is crucial for bone health and preventing serious diseases.
170 citations
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May 1979 in “The journal of pediatrics/The Journal of pediatrics” Two sisters with rickets and hair loss had a genetic issue with vitamin D processing, and only improved when given phosphorus supplements.
November 2022 in “Journal of the Endocrine Society” Diagnosing osteoporosis in transgender people is challenging due to unclear guidelines and hormone treatment effects.
7 citations
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January 1971 in “Archives of Dermatological Research”
25 citations
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August 2014 in “Endocrinology” Researchers created a mouse model of a type of rickets that does not cause hair loss.
9 citations
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November 1980 in “Geburtshilfe und Frauenheilkunde” Fenoterol treatment causes increased hair growth due to higher metabolism in hair follicles, not hormones.
1 citations
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January 2017 in “Tohoku journal of experimental medicine” A woman's mature cystic teratoma caused her virilization by producing testosterone.
7 citations
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January 2022 in “Case Reports in Endocrinology” Ovarian hyperthecosis can cause symptoms even with normal testosterone levels, and surgery can improve these symptoms.
A 22-year-old woman with a rare genetic condition was successfully treated to develop normal female characteristics and regular menstruation.
37 citations
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August 2011 in “Journal of Bone and Mineral Research” A girl had rickets due to a gene mutation affecting vitamin D response.
January 2008 in “Linchuang pifuke zazhi” Betamethasone activates and increases the growth of certain skin cells from hair follicles.
8 citations
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September 1981 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin deficiency in pigs causes hair loss, skin issues, and weak claws.