24 citations
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October 1995 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The nafarelin test can reliably distinguish between gonadotropin deficiency and delayed puberty in teenage boys.
July 2022 in “Journal of Investigative Dermatology” Skin produces different hormones depending on body part and sex, and a new method can measure them.
July 2025 in “The Egyptian Journal of Hospital Medicine” Estrogen affects hair growth, and GPER-1 levels might help identify hair loss types.
January 2026 in “Clinical Chemistry and Laboratory Medicine (CCLM)” The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.
32 citations
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October 2015 in “Frontiers in Cellular Neuroscience” DHT is needed for long-term depression, while E2 is needed for full long-term potentiation in male rat brains.
42 citations
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February 1996 in “Journal of Investigative Dermatology” Polyamines, especially spermidine, are essential for hair growth.
22 citations
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June 2002 in “Journal of Medicinal Chemistry” Compounds 15, 20, and 25 are strong inhibitors of human steroid 5α-reductase type 2.
August 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
188 citations
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January 2022 in “PubMed” Advancements in understanding, diagnosing, and managing congenital adrenal hyperplasia have improved treatment and long-term outcomes.
4 citations
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April 1986 in “Cancer Letters” GSH-T levels in hair follicles are similar in smokers and non-smokers and don't increase with certain treatments.
May 2025 in “International Journal of Cosmetic Science” Caffeine and adenosine in shampoo may boost hair growth and change scalp microbes and lipids.
26 citations
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July 2012 in “Endocrine Connections” Mitotane changes steroid breakdown, affecting cortisol availability.
1 citations
,
January 2016 in “American Journal of Clinical and Experimental Medicine” Men with androgenic alopecia have different hair copper levels than those without.
November 2023 in “Dermatologica sinica/Zhōnghuá pífūkē yīxué zázhì” Upadacitinib helped regrow hair in a severe alopecia areata patient but stopping treatment caused hair loss to return.
7 citations
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July 1981 in “Clinical and Experimental Dermatology” The normalized androgen ratio can help manage conditions with excess androgen activity in women.
88 citations
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July 2009 in “Experimental and Clinical Endocrinology & Diabetes”
29 citations
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January 2006 in “Clinical chemistry and laboratory medicine” SHBG binding properties are unchanged in male liver cirrhosis patients.
5 citations
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August 2021 in “Frontiers in Cell and Developmental Biology” DHEA boosts bone cell growth and differentiation in elderly stem cells.
May 2015 in “Journal of The American Academy of Dermatology” Finasteride for hair loss in young men increases the risk of sexual dysfunction.
12 citations
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March 2016 in “BBA clinical” Increased Toll-like receptors in blood cells may contribute to alopecia areata and could be a target for new treatments.
1 citations
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February 2021 in “Benha Journal of Applied Sciences” Higher IMA levels in male AGA patients, especially if obese, may link AGA to metabolic and heart issues.
September 2018 in “BAUST Journal”
April 2023 in “Journal of Investigative Dermatology” Compounds A and B help men's skin recover faster by reducing oxidative damage and increasing energy levels.
December 2021 in “Journal of Cosmetic Dermatology” Thiol/disulfide balance is normal in male AGA patients but shifts towards oxidative stress with emotional stress and low vitamin D.
16 citations
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May 2020 in “Psychoneuroendocrinology” People with Parkinson's disease have higher levels of cortisone in their hair, which may indicate chronic stress hormone dysfunction.
27 citations
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October 1945 in “Endocrinology” Synthetic hormone treatment reduces melanin and hair growth in rats.
16 citations
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January 2010 in “Drug Metabolism and Pharmacokinetics” Finasteride's effect on hair loss and prostate enlargement depends on its binding to an enzyme, with maximum impact at 0.2 mg dose.
October 2021 in “QJM: An International Journal of Medicine” Changes in NRF2 levels may contribute to hair loss in Egyptian men.
2 citations
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December 2019 in “Neurobiology of Stress” Changing allopregnanolone levels in baby rats affects their adult behavior and alcohol use.
9 citations
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January 2017 in “Archives of biochemistry and biophysics” Testosterone raises blood pressure and changes kidney protein levels.