February 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher leptin and lower vitamin D levels may contribute to male pattern baldness.
June 2021 in “Archives of Advances in Biosciences” Finasteride reduces sperm count and quality and alters hormone levels in mice.
April 2012 in “Journal of IMAB” Men with male pattern baldness don't necessarily have high levels of Dehydroepyandrosterone-sulfate, and there's no link between its levels and the severity of hair loss.
60 citations
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January 2023 in “Biogerontology” Adequate testosterone is crucial for men's health and quality of life, but its decline with age needs more research.
49 citations
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April 2016 in “International journal of molecular sciences” Shift nurses show altered body temperature and stress hormone levels, suggesting their body clocks adjust to irregular schedules.
35 citations
,
March 2012 in “Experimental and Clinical Endocrinology & Diabetes” The conclusion is that accurately identifying the cause of high androgen levels in women with PCOS is crucial and requires specific tests.
November 2023 in “Journal of Cosmetic Dermatology” People with non-scarring hair loss often have lower vitamin D levels than those without hair loss.
January 2019 in “Skin appendage disorders” A woman's hair loss was linked to a rare hormone-secreting ovarian tumor, treated with surgery and hair loss medication.
105 citations
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January 2009 in “Medicine” Hirsutism is more linked to high androgen levels than acne or hair loss, and a mix of hormonal tests is best for diagnosis; certain treatments can reduce symptoms.
August 2025 in “MedScien” Seborrheic alopecia in adolescents is linked to hormones, stress, and lifestyle, and can be treated with medication, lifestyle changes, and therapy.
May 2024 in “Journal of trace elements in medicine and biology” Overweight or obese women before pregnancy have lower iron levels in their serum and hair during early pregnancy.
July 2023 in “The Journal of Clinical Endocrinology and Metabolism” Gender-affirming hormone therapy improves physical performance in trans men to the level of cisgender men, while in trans women, it increases fat mass and decreases muscle mass, with no advantage in physical performance after 2 years.
Low vitamin D3 is not linked to different levels of thyroid hormones in people with autoimmune thyroid disease.
December 2015 in “Vestnik dermatologii i venerologii” People with hair loss have different hormone levels, and these hormones can affect hair growth.
January 2022 in “Indian journal of dermatopathology and diagnostic dermatology” Women with diffuse hair loss often have lower iron and vitamin D levels, but their thyroid function is typically normal.
1540 citations
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October 2008 in “Fertility and Sterility” The report concludes that PCOS is mainly a condition of excess male hormones and its definition may change as new information is discovered.
22 citations
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January 2002 in “Treatments in endocrinology” Birth control pills help treat skin and hair growth problems linked to high male hormone levels.
10 citations
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August 2021 in “Journal of Cosmetic Dermatology” Most patients with telogen effluvium had low iron and vitamin D levels; iron supplements were commonly prescribed.
July 1996 in “Clinical and Experimental Dermatology” Putting calcipotriol ointment on the skin once doesn't change calcium levels in the body right away.
67 citations
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July 2016 in “Reviews in Endocrine and Metabolic Disorders” Stress can worsen skin conditions by affecting hormone levels and immune response.
2 citations
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January 2016 in “Journal of Steroids & Hormonal Science” Women with PCOS and polycystic ovaries have higher male hormone levels and more insulin resistance, especially if they are overweight.
March 2023 in “Bagcılar medical bulletin” A young woman had a rare tumor causing high male hormone levels and symptoms like excessive hair and acne. After removing the tumor, her hormone levels returned to normal. Early diagnosis is important.
April 2017 in “Journal of evolution of medical and dental sciences” Most women with excess hair growth had Polycystic Ovary Syndrome, and severity wasn't linked to hormone levels.
January 2020 in “Journal of quality in health care & economics” Most women with depression in the study had low vitamin D levels.
16 citations
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January 2017 in “Asian journal of andrology/Asian Journal of Andrology” Men who start puberty later may have lower sperm quality and different hormone levels in adulthood.
6 citations
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May 1997 in “Journal of Dermatological Science” Researchers found a gene in hamsters that responds to male hormones and may be indirectly controlled by them.
5 citations
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May 2017 in “Journal of the European Academy of Dermatology and Venereology” The study found no significant difference in stress hormone levels between people with alopecia areata and healthy individuals, suggesting that the disease is not caused by an overactive stress response system.
3 citations
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March 2021 in “Metabolites” Hair loss causes differ between men and women due to changes in hormone levels and inflammation-related pathways.
1 citations
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May 2025 in “International Journal of Impotence Research” Older age and low testosterone increase the risk of kidney stones in men.
1744 citations
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August 2006 in “The Journal of Clinical Endocrinology and Metabolism” Polycystic Ovary Syndrome should be seen mainly as a condition of excess male hormones, with a focus on this in its definition.