Lower DHT and higher testosterone levels increase brain activation but don't change behavior in heavy drinkers.
Wildebeest stress and hormone levels are influenced by food availability, human presence, and reproductive cycles.
August 1994 in “Molecular Endocrinology” Changing protein kinase levels in pituitary cells affects calcium flow and beta-endorphin release.
70 citations
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August 1995 in “Fertility and Sterility” Finasteride reduces hairiness and androgen levels in women with unexplained excessive hair growth.
65 citations
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April 2018 in “Oncotarget” Anabolic androgenic steroids can increase cancer risk and disrupt hormones.
63 citations
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May 2017 in “American Journal of Clinical Dermatology” People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.
58 citations
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January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
26 citations
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July 2012 in “Endocrine Connections” Mitotane changes steroid breakdown, affecting cortisol availability.
23 citations
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January 2016 in “International Journal of Trichology” Women with female pattern hair loss have lower Vitamin D3 levels.
20 citations
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March 1975 in “Clinics in Endocrinology and Metabolism” 13 citations
,
June 2017 in “Biochimie open” All five human steroid 5α-reductase enzymes are found in the endoplasmic reticulum.
11 citations
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July 2016 in “Endocrinology” Higher Lnk protein levels in ovaries may lead to insulin resistance in women with PCOS.
10 citations
,
December 2020 in “Frontiers in Medicine” Men are more at risk for severe COVID-19 due to biological differences, suggesting the need for targeted treatments.
8 citations
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July 2019 in “Journal of Molecular Neuroscience”
7 citations
,
January 2017 in “Journal of Clinical Biochemistry and Nutrition” Higher vitamin D levels are linked to higher iron levels in Korean women without metabolic syndrome, but not in those with it.
6 citations
,
July 2024 in “Heliyon” Steroid 5α-reductase evolved from protists and diversified in eukaryotes, with specific roles in mammals and plants.
5 citations
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June 2021 in “Pharmacological Reports” Vitamin D may help reduce antibody levels in men with autoimmune thyroiditis and early-onset androgenic alopecia, but has no significant impact on thyroid function.
2 citations
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July 2025 in “Forensic Sciences” Anabolic-androgenic steroids can damage the brain, causing mood and cognitive problems.
2 citations
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June 2021 in “Medicine” High levels of cortisol in hair are linked to a greater risk of brain aneurysm rupture.
1 citations
,
October 2025 in “Frontiers in Cardiovascular Medicine” Anabolic-androgenic steroid abuse can cause heart damage and sudden death.
1 citations
,
May 2025 in “The Journal of Rheumatology” Anifrolumab helped some lupus patients reduce steroid use, but safety concerns remain.
1 citations
,
May 2013 in “Journal of the Egyptian Women's Dermatologic Society (Print)” Women with idiopathic hirsutism and PCOS have higher RBP4 levels, and PCOS is linked to greater insulin resistance; weight management may help both conditions.
1 citations
,
January 2013 in “Advanced Biomedical Research” Men with more severe hair loss had a lower risk of schizophrenia, but hair loss and testosterone levels were not linked.
November 2025 in “BMC Endocrine Disorders” The TT/DHT ratio may help identify PCOS patients with severe metabolic issues.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
January 2017 in “Springer eBooks” Understanding genes and hormones is crucial for managing male puberty and sex development disorders.
September 2022 in “Applied sciences” Combining micro-needling, LED therapy, and growth factors with Finasteride® significantly improves hair growth.
June 2021 in “Archives of Advances in Biosciences” Finasteride reduces sperm count and quality and alters hormone levels in mice.
44 citations
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May 2012 in “Endocrinology” High levels of androgens during early development may cause PCOS-like symptoms.
5 citations
,
April 2018 in “Journal of Dermatological Science” Adjusting estradiol-ANGPT2 levels can promote hair growth in female pattern hair loss.