April 2023 in “Journal of Investigative Dermatology” Aging changes skin cells, leading to different DNA methylation and gene activity, affecting cell metabolism and aging signs.
January 2023 in “Journal of men's health” Higher dihydrotestosterone may be linked to more inflammation in COVID-19 patients with low testosterone.
July 2022 in “Al-Mağallaẗ al-ʻirāqiyyaẗ li-l-ṣaydalaẗ” People with Alopecia Areata often have lower zinc levels, and more hair loss is linked to even lower zinc levels.
July 2022 in “Al-Mağallaẗ al-ʻirāqiyyaẗ li-l-ṣaydalaẗ” Lower zinc levels are linked to more severe hair loss in alopecia areata.
June 2020 in “Risk Management and Healthcare Policy” Drinking alcohol 1-2 times a week may reduce urinary symptoms, but drinking more often might increase the risk.
September 2018 in “International Journal of Dermatology” People with alopecia areata often have lower levels of zinc and vitamin D.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers found that certain miRNAs, which affect immune system regulation, are differently expressed in mice with a hair loss condition compared to healthy mice.
April 2016 in “Journal of Investigative Dermatology” Vitamin D can reduce skin inflammation caused by UV rays by enhancing cell "fitness" and skin repair.
Reviewers criticized the study for assuming drugs with similar side-effects work the same way and questioned the validity of its findings due to potential biases and data quality issues.
The study improved and was accepted despite initial concerns about data clarity, methodology, and potential overfitting.
January 2015 in “Indian Journal of Medical Biochemistry” Men with early balding should be checked for metabolic syndrome, as there's a link between the two.
June 2014 in “British Journal of Dermatology” Eczema patients have a lower skin lipid to protein ratio, older and longer-staying hospital patients are more likely to get pressure ulcers, hair loss in AGA is linked to muscle degeneration, vitamin D deficiency is common in alopecia areata and linked to its severity, standard liver tests don't effectively detect fibrosis in psoriasis patients on methotrexate, and bullous pemphigoid patients have a higher death risk but combination therapy may reduce it.
Different treatments change the strength and flexibility of human hair.
April 2016 in “The Journal of Sexual Medicine” PFS affects some women, steroids easily bought online, hypogonadism info unreliable, low testosterone linked to CVD.
95 citations
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September 1979 in “Acta Paediatrica” Girls have higher DHEA levels earlier in puberty than boys, indicating earlier development.
14 citations
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April 2014 in “Medical Clinics of North America” The document concludes that quick referral and appropriate treatments are crucial for managing common skin conditions and preventing permanent damage.
6 citations
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September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
3 citations
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January 2023 in “American journal of physiology. Cell physiology” Inward rectifier potassium channels are important in many body functions and diseases, and could be potential drug targets.
93 citations
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July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
December 2015 in “OPAL (Open@LaTrobe) (La Trobe University)” QLT0267 stops hair follicle cell growth and movement.
January 2018 in “Springer eBooks” Hidradenitis Suppurativa is likely an autoinflammatory disease, and better understanding its causes could improve treatments.
100 citations
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July 2018 in “Journal of The American Academy of Dermatology” People with alopecia areata often have other health issues like skin diseases, metabolic syndrome, stomach infections, lupus, anemia, thyroid problems, mental health issues, vitamin D deficiency, and hearing and eye problems.
91 citations
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December 2017 in “Systems Biology in Reproductive Medicine” Lower SHBG levels may increase the risk of PCOS.
30 citations
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November 2000 in “British Journal of Cancer” Reduced sexual drive may be linked to male breast cancer, while anti-estrogenic factors might lower the risk.
25 citations
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May 2020 in “Daehan saengsik uihak hoeji/Clinical and experimental reproductive medicine” Injecting platelet-derived growth factors into ovaries may improve IVF outcomes by enhancing egg quality and embryo health.
8 citations
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May 1941 in “Science” Inositol helped cure hair loss around rats' eyes and improved their growth.
8 citations
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May 1941 in “Science” Mouse embryos can develop in chick embryos, but they grow smaller with some organ issues.
5 citations
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August 2025 in “Drug Delivery and Translational Research” Lipid-polymer hybrid nanoparticles show promise for skin treatments but need better formulation strategies.
March 2020 in “Journal of Laser Applications” Photobiomodulation therapy significantly increases hair density and growth for androgenic alopecia, but more research is needed to confirm safety.
45 citations
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November 2015 in “Dermatologic Clinics” Hormones might affect the skin condition hidradenitis suppurativa, but their exact role is unclear.