10 citations
,
March 2024 in “Endocrine Reviews” Significant progress was made in understanding androgen excess disorders, but much is still unknown.
6 citations
,
December 2019 in “International Journal of Cosmetic Science” White hair has weaker tryptophan fluorescence than other unpigmented fibers, possibly due to UV exposure or unknown substances.
6 citations
,
November 2018 in “Antimicrobial agents and chemotherapy (Print)” Fluconazole can cause hair loss, but the exact cause is unknown.
January 2026 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Primary cicatricial alopecia causes permanent hair loss by destroying hair follicles, and its exact cause is unknown.
August 2023 in “Clinical Infectious Diseases” The woman's scalp condition caused hair loss and scarring, but the exact cause is unknown.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The mesenchyme can start hair growth, but the exact signal that causes this is still unknown.
April 2018 in “Veterinary Pathology” Tigers had a skin condition causing hair loss and inflammation, but the cause is unknown and treatment didn't work.
December 2016 in “Int J Genet” Male pattern baldness is partly caused by specific genes, but most genetic factors are still unknown.
November 2012 in “The Journal for Nurse Practitioners” Systemic lupus erythematosus is a complex autoimmune disease mainly affecting women, with varied symptoms and unknown exact cause.
179 citations
,
May 1982 in “The Journal of clinical investigation/The journal of clinical investigation” High levels of 3 alpha-diol glucuronide in the blood are a marker of increased androgen action in women with excessive hair growth of unknown cause.
148 citations
,
December 2018 in “Journal of autoimmunity” Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.
48 citations
,
May 2019 in “Genome Biology” Researchers found that certain RNA circles in the brain are linked to disease risk, but their exact role in disease is still unknown.
42 citations
,
October 2004 in “Experimental and Clinical Endocrinology & Diabetes” The main cause of excessive hair growth in Turkish women is Polycystic ovary syndrome, but in about one fifth of cases, the reason for high male hormone levels is unknown.
23 citations
,
November 2020 in “Central-European Journal of Immunology/Central European Journal of Immunology” Alopecia areata, a type of hair loss, is likely an autoimmune disease with a genetic link, but its exact cause is still unknown.
15 citations
,
October 2014 in “Journal of Investigative Dermatology” New treatments targeting the Hedgehog pathway can help treat advanced skin cancer but may have side effects and their effectiveness in early stages is unknown.
14 citations
,
January 2010 in “Dermatology” Some people with congenital triangular alopecia have a central tuft of hair in the bald patch, but the cause is unknown.
11 citations
,
October 2002 in “Genetics” A new mouse hair mutation, called hague, is semidominant and unstable, but the exact cause is unknown.
10 citations
,
November 2009 in “Pigment cell & melanoma research” The document concludes that MGRN1 affects mouse fur color by interfering with a receptor's signaling, but its full role in the body is still unknown.
7 citations
,
August 2019 in “Clinical and Experimental Dermatology” The Mona Lisa's high forehead and sparse eyebrows might be due to a hair loss condition or Renaissance fashion trends, but the actual reason is unknown.
7 citations
,
July 2011 in “Archives of Dermatology” Alopecia areata caused a boy's hair to regrow straight instead of curly, but the exact reason is unknown.
6 citations
,
May 2023 in “Drugs” Baricitinib helps regrow hair in adults with severe alopecia better than a placebo and is approved for treatment, but long-term effects are still unknown.
5 citations
,
September 1991 in “Veterinary dermatology” Pygmy goats with seborrhoeic dermatitis showed skin symptoms and temporary improvement with corticosteroids, but the cause and inheritance of the disease remain unknown.
Waking up to urinate at night (nocturia) is linked to higher death rates, but the exact reason is unknown.
November 2023 in “Hair transplant forum international” Caffeine can stimulate hair growth, but the best dose and frequency for hair loss treatment are still unknown.
June 2021 in “International journal of research in dermatology” A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
26 citations
,
June 2003 in “Obstetrics and gynecology clinics of North America” More research is needed to understand the long-term benefits of insulin-sensitizing drugs for treating adolescents with PCOS.
23 citations
,
July 2015 in “Encyclopedia of Life Sciences” Systemic lupus erythematosus is a chronic disease causing inflammation and various symptoms, mainly in young women, treated with anti-inflammatory and immunosuppressive drugs.
19 citations
,
July 2004 in “Clinical and experimental dermatology” Acneiform follicular mucinosis can be controlled with systemic corticosteroids.
1 citations
,
August 2010 in “Optometry and Vision Science” A 4-year-old boy's vision and hair loss were likely caused by inflammation.
Collagen CLR and placenta extract may help treat diffuse hair loss.