122 citations
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April 1995 in “Journal of Cutaneous Pathology” The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.
106 citations
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September 2010 in “Stem cells” Skin-derived precursors in hair follicles come from different origins but function similarly.
87 citations
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
77 citations
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August 2025 in “Signal Transduction and Targeted Therapy” Extracellular vesicles show promise for treating diseases but face challenges in development and regulation.
75 citations
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January 1995 in “American journal of primatology” Vervet monkeys show physical changes like hair loss and scrotal color changes due to stress or nutrition issues.
72 citations
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October 1998 in “Baillière's clinical endocrinology and metabolism” Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.
68 citations
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March 1965 in “The BMJ” Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.
61 citations
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October 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The document concludes that accurate diagnosis is crucial for effectively treating common scalp disorders, which often have similar symptoms.
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September 1996 in “Obstetrics & Gynecology” People often struggle to consistently use contraceptives and other medications, and long-acting options might be better for those who want to avoid daily doses.
50 citations
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December 2010 in “Dermatologic Surgery” Laser treatment can stimulate hair growth for male pattern hair loss.
50 citations
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March 2001 in “Clinics in Dermatology” Genes and hormones cause hair loss, with four genes contributing equally.
49 citations
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May 2013 in “JAMA Dermatology” Hair loss links to higher death risk from diabetes and heart disease; not a direct cause, but a marker for risk factors.
45 citations
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June 2004 in “Lasers in Medical Science” Intense pulsed light (IPL) is an efficient and safe method for hair removal, reducing hair by about 80%.
43 citations
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August 2016 in “Scientific Reports” Cinnamomi cortex may help treat prostate enlargement by reducing related proteins.
43 citations
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August 2010 in “Expert Opinion on Investigational Drugs” Inhibitors of 11β-HSD1 show potential for treating type 2 diabetes but require more testing for safety and effectiveness.
41 citations
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September 2017 in “Advanced Healthcare Materials” A special hydrogel helps heal skin without scars and regrows hair.
41 citations
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October 2000 in “Dermatologic clinics” Better hair care products are needed to protect against grooming and chemical damage.
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July 2019 in “Nature Communications” Par3 protein is essential for skin cell balance and stability.
28 citations
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August 2018 in “Dermatologic Clinics” Trichoscopy is a useful tool for diagnosing hair and scalp issues, but doctors must be careful to avoid mistakes.
28 citations
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October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
27 citations
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November 1998 in “Journal of Endocrinological Investigation” Finasteride significantly reduces hair growth in women with idiopathic hirsutism.
25 citations
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August 2010 in “Journal of Biological Chemistry” Nuclear Factor I-C is important for controlling hair growth by affecting the TGF-β1 pathway.
25 citations
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December 2001 in “Expert Opinion on Pharmacotherapy” Potassium channel openers show promise for treating heart disease and other conditions, but more research is needed to fully understand their effects and safety.
23 citations
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February 2021 in “Journal of Endocrinological Investigation” Betacoronaviruses, like COVID-19, may cause hormone system dysfunction and affect disease susceptibility and severity.
23 citations
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December 2017 in “Scientific Reports” ARL15 is important for fat cell development and the release of the hormone adiponectin.
23 citations
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April 2006 in “Skin Research and Technology” The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.
23 citations
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December 2004 in “Differentiation” Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.
23 citations
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April 1991 in “Journal of The American Academy of Dermatology” Minoxidil solution can cause skin irritation and allergies in some users.
21 citations
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September 2015 in “Journal of the European Academy of Dermatology and Venereology” Yellow and orange colors are important for diagnosing certain skin conditions.
20 citations
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September 2021 in “Nature communications” Cat color patterns are determined early in development by gene expression and epidermal changes, with the Dickkopf 4 gene playing a crucial role.