6 citations
,
August 2024 in “Viruses” Long COVID is a complex condition with many symptoms and unknowns, needing more research.
6 citations
,
February 2016 in “International Journal of Dermatology” The true cause of hair suddenly turning white is still unknown.
5 citations
,
January 2000 Pododermatitis in farmed mink is likely caused by an unknown infectious agent with secondary bacterial infection.
5 citations
,
October 1988 in “Clinics in Dermatology” Minoxidil promotes hair growth but exact mechanism is unknown.
4 citations
,
January 1991 in “Dermatology” Hair casts are small structures on hair shafts with unknown causes.
1 citations
,
December 2013 in “Journal of Evolution of Medical and Dental Sciences” Alopecia areata causes patchy hair loss due to unknown factors, affecting all ages and genders.
January 2022 in “Przegla̧d dermatologiczny” The exact cause of frontal fibrosing alopecia is unknown, but it's not likely due to sunscreen.
December 2014 in “Endocrinología y nutrición” The woman's rare combination of diseases suggests an unknown factor may predispose individuals to multiple endocrine diseases.
171 citations
,
October 1990 in “Alcoholism/Alcoholism, clinical and experimental research” The document concludes that the exact way alcohol causes harm to fetal development is unknown, but it significantly affects nutrient transport to the fetus and a safe level of alcohol during pregnancy is not determined.
22 citations
,
October 2004 in “Journal of Investigative Dermatology” The gene causing hair loss and heart issues in rough coat mice is still unknown.
6 citations
,
April 1985 in “Australasian journal of dermatology” The cause of the syndrome with scalp scaling and hair loss is unknown.
4 citations
,
May 1998 in “PubMed” The Bsk mutation doesn't involve keratin gene recombination and its cause is unknown.
August 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” Minoxidil is a primary treatment for hair loss but its exact working method is unknown.
108 citations
,
February 2013 in “JAMA” Transgender treatment includes hormones and surgery, but long-term effects are unknown and counseling is needed.
62 citations
,
March 2013 in “JAMA Dermatology” Finasteride reduces Hidradenitis Suppurativa flare-ups in children and teens, but long-term safety is unknown.
53 citations
,
May 2011 in “Dermatologic therapy” Alopecia areata is a skin condition causing hair loss, and its exact cause is unknown, but it may involve biological mechanisms.
49 citations
,
April 2000 in “Journal of The American Academy of Dermatology” Despite progress in treatment, the exact cause of Alopecia areata is still unknown.
35 citations
,
May 2002 in “Journal of the European Academy of Dermatology and Venereology” Chronic pelvic pain in men is common, but its cause is unknown and treatments are often ineffective.
35 citations
,
May 1986 in “Clinics in endocrinology and metabolism” The exact cause of increased 5α-reductase activity leading to hirsutism in women is still unknown.
31 citations
,
September 2006 in “The Journal of Clinical Endocrinology & Metabolism” Testosterone therapy may slightly improve sexual function in postmenopausal women, but its long-term safety is unknown.
29 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle development involves complex interactions between skin layers and cells, but many details are still unknown.
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.
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.
March 2012 in “Journal of The American Academy of Dermatology” Latisse is safe and effective for long-term eyelash growth in people with thin eyelashes from chemotherapy or unknown causes.