January 2025 in “BMJ Case Reports” Precocious puberty can signal familial adenomatous polyposis.
Androgenetic alopecia, or hair loss, is caused by genetic factors and hormones, with different mechanisms in men and women, and can be linked to insulin resistance and polycystic ovary syndrome.
5 citations
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December 1964 in “Australasian journal of dermatology” Congenital atrichia is a rare condition where children are born without hair, and treatment is often ineffective.
6 citations
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March 2019 in “The American Journal of Dermatopathology” Amyloid deposits linked to a type of protein may cause a unique pattern of hair loss by disrupting hair growth cycles.
January 2026 in “Clinical Cosmetic and Investigational Dermatology” Early diagnosis and targeted anti-inflammatory treatments can improve outcomes in androgenetic alopecia with perifollicular inflammation and fibrosis.
3 citations
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June 2016 in “Dermatology Reports” Finger length ratios don't predict baldness in men.
December 2020 in “Dermatology practical & conceptual” Trichoscopy helped diagnose a teenage girl's hair loss as monilethrix.
January 2011 in “Bradford Scholars (University of Bradford)” Testosterone stimulates growth in intermediate hair follicles, but this can be blocked by cyproterone acetate.
4 citations
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April 1999 in “Dermatologic Clinics” Androgens, like DHT, affect hair growth and treatments like finasteride may help.
2 citations
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May 1956 in “Journal of Investigative Dermatology”
26 citations
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September 2010 in “Experimental Dermatology” Two gene areas linked to male pattern baldness found, more research needed.
6 citations
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March 2021 in “Journal of Cosmetic Dermatology” PRP injections promote hair growth and increase hair density in androgenic alopecia.
June 2024 in “Saudi Journal of Medicine” PRP therapy significantly improves hair thickness and density in male pattern baldness.
April 2021 in “Annales de Dermatologie et de Vénéréologie - FMC” Biphasic alopecia often leads to permanent hair loss and its progression varies widely among individuals.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking a key energy pathway in human hair follicles can trigger stress responses that stop cell growth.
July 2012 in “Medical Hypotheses” Artemis dysfunction might cause hair loss through telomere shortening.
November 2015 in “Institutional Repositories DataBase (IRDB)”
37 citations
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November 2003 in “Veterinary pathology” Hair loss in mice starts with immune cells damaging hair roots before it becomes visible.
July 2012 in “EFSA supporting publications” The EFSA maintained its view that spermidine's effect on hair growth is related to disease treatment and does not meet the health claim criteria.
July 2025 in “Dermatologica Sinica” Glycyrrhizin may help regrow hair by activating a specific pathway.
November 2014 in “British Journal of Dermatology” Male hair loss is mainly due to thinner hair, not less hair.
2 citations
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February 1994 in “Archives of Dermatology” The debate focuses on the role of catagen and hair shedding mechanisms in telogen effluvium.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
IP-PA1 helps grow hair in mice and affects human cell growth-related genes differently than traditional hair growth treatments.
6 citations
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April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
April 2021 in “Journal of Investigative Dermatology” Leontopodium alpinum extract may help reduce hair shedding by keeping hair in the growth phase longer.
May 2024 in “Brazilian Journal of Hair Health” Phototherapy with red and blue light can effectively treat hair loss.
March 2014 in “Journal of The American Academy of Dermatology” Mycophenolic acid may help hair growth, a combination treatment improves hair thickness in male hair loss, and early treatment of frontal fibrosing alopecia is important.
139 citations
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June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Androgenetic alopecia in women needs more research and better management strategies.
72 citations
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February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.