November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
51 citations
,
September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
May 2021 in “Histochemistry and Cell Biology” The May issue discussed publishing agreements and four studies on cholesterol in hair, cancer cell changes, hormones in the uterus, and skin protein effects.
5 citations
,
January 2017 in “Arquivos Brasileiros de Oftalmologia” A rare genetic disorder causes sparse hair and vision loss due to a CDH3 gene mutation.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
6 citations
,
October 2013 in “Plastic and Reconstructive Surgery – Global Open” HSL treatment speeds up hair growth and reduces oxidative stress in hair follicles of ob/ob mice.
12 citations
,
January 2013 in “Indian Journal of Dermatology” Monilethrix is a rare genetic hair disorder that's hard to treat.
September 2024 in “Journal of the American Academy of Dermatology” PRO-C22 can help diagnose and monitor the severity of hidradenitis suppurativa.
A man with a rare lung-focused form of hypereosinophilic syndrome improved with steroid treatment.
13 citations
,
June 2006 in “Fertility and Sterility” Nonclassic 21-hydroxylase deficiency is a common, treatable genetic disorder causing reversible symptoms like acne and hair loss.
August 2025 in “International Journal of Contemporary Pediatrics” HLD10 can include increased body hair and Mongolian spots.
April 2024 in “JMR. Journal of molecular recognition/Journal of molecular recognition” Hydrophilic carbon dots cause one protein to clump more and prevent another from clumping.
9 citations
,
April 1970 in “Biochemical pharmacology” Stilbamidine and hydroxystilbamidine inhibit enzyme release from lysosomes and have effects similar to cortisol and chloroquine.
17 citations
,
September 2000 in “Journal of dermatology” A baby with a rare metabolic disorder developed a rash not cured by zinc alone, likely due to both zinc and amino acid deficiencies.
13 citations
,
June 2010 in “Journal of The American Academy of Dermatology” A man with Cronkhite-Canada syndrome had all 20 nails detach but improved with treatment.
November 2025 in “Journal of Investigative Dermatology” Alopecia Areata may involve reduced antioxidant defenses in hair follicles, affecting stem cell function.
2 citations
,
January 2014 in “Case Reports in Clinical Medicine” Cronkhite-Canada syndrome is a rare condition causing gut polyps, hair loss, skin changes, and nail issues, often with a poor outlook.
3 citations
,
January 2022 in “Burns & Trauma” CTHRC1 helps sweat glands recover by rebuilding nearby blood vessels.
1 citations
,
October 2022 in “Curēus” Diagnosing simple-virilizing congenital adrenal hyperplasia can be difficult and requires thorough testing and expert advice.
4 citations
,
June 1980 in “American Journal of Clinical Nutrition” Malnutrition can change hair color due to altered copper and zinc levels.
42 citations
,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
43 citations
,
September 2001 in “Annals of Neurology” Hair root analysis can effectively detect somatic mosaicism in double cortex syndrome.
3 citations
,
August 2021 in “Clinical Case Reports” Genetic testing is crucial before giving azathioprine to avoid severe side effects.
4 citations
,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
4 citations
,
December 2022 in “Frontiers in Endocrinology” Treating non-classic congenital adrenal hyperplasia is complex because the benefits of hormone treatment must be weighed against potential health risks.
23 citations
,
July 2016 in “JAMA Ophthalmology” CDH3-related disease causes worsening eye and hair issues.
7 citations
,
December 2014 in “Gynecological Endocrinology” LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
February 2026 in “International Journal of Homoeopathic Sciences” Personalized homeopathic treatment improved chronic spontaneous urticaria symptoms.
April 2020 in “Journal of the Endocrine Society” Non-classic congenital adrenal hyperplasia (NCCAH) can mimic PCOS and requires genetic testing for proper diagnosis and treatment.
1 citations
,
January 1992 in “DNA sequence” Researchers found a non-functional sheep keratin gene due to mutations.