216 citations
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November 1999 in “Fertility and Sterility” Testing basal 17-HP levels is a good way to screen for nonclassic adrenal hyperplasia in women with high androgen levels.
January 2004 in “Weiliang yuansu yu jiankang yanjiu” Diabetics have lower chromium, manganese, and copper, but higher iron in their hair.
July 2021 in “International Journal of Community Medicine and Public Health” Men with type 2 diabetes often have low testosterone and signs of hypogonadism, especially if they are overweight.
June 2006 in “American Journal of Epidemiology” Long-term diabetes is linked to lower prostate cancer risk.
December 2023 in “Benha Journal of Applied Sciences” Men with male pattern baldness have higher blood sugar, bad cholesterol, and ZAG protein levels than healthy men.
1 citations
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January 1986 in “Journal of Steroid Biochemistry” Women with excessive hair growth or polycystic ovary disease may more often carry a gene variant for 21 hydroxylase deficiency.
January 2022 in “Al-Azhar Medical Journal” Higher antigliadin antibody levels are linked to alopecia areata severity.
6 citations
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February 1989 in “PubMed” Hair glycation can indicate long-term blood sugar levels and diabetic nerve issues.
1 citations
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July 2023 in “Al-Azhar Medical Journal” Higher antigliadin antibodies are linked to more severe alopecia areata, suggesting screening for celiac disease in these patients.
September 2020 in “Benha Journal of Applied Sciences” Higher myostatin and insulin resistance are linked to androgenetic alopecia.
7 citations
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May 2007 in “PubMed” Women with androgenetic alopecia (AGA) are more insulin resistant than healthy women, with various insulin sensitivity indices being higher in the AGA group. An oral glucose tolerance test is suggested for women with AGA.
May 2024 in “Asian Journal of Medicine and Health” Sickle cell disease affects BMI and pain frequency, with HbSS patients having more pain and unhealthy BMI.
January 2020 in “Молодий вчений” B(III) blood type may have higher hemoglobin levels, but stress affects this, and hair iron levels correlate with hemoglobin in some blood types.
April 2018 in “Journal of Investigative Dermatology” People with alopecia areata have higher levels of a heart disease marker in their blood.
8 citations
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January 1986 in “Journal of hepatology” Men with liver cancer have higher levels of a specific testosterone byproduct in their liver and blood, despite overall lower male hormone levels.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Hemoglobin α acts as an antioxidant in skin cells, especially protecting hair follicle stem cells from UV damage.
7 citations
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November 2006 in “Journal of immunological methods” The method can help diagnose and monitor diabetes by analyzing hair.
18 citations
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August 2012 in “Cutaneous and Ocular Toxicology” People with alopecia areata have higher insulin resistance.
Hair cortisol may help identify adrenal insufficiency in sickle cell disease patients.
September 2025 in “Journal of Dhaka Medical College” Lower vitamin D levels are linked to more severe alopecia areata.
October 2021 in “International Journal of Research in Dermatology” People with alopecia areata often have low vitamin D levels, which may worsen their hair loss.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Older age increases positive hair alcohol test results, and chest hair is a good alternative for testing; season affects results, with higher levels in winter.
13 citations
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April 1997 in “Biochemical and Biophysical Research Communications” Insulin-dependent diabetes alters hair's molecular structure, making it useful for studying diabetes effects.
49 citations
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March 2009 in “Archives of Gynecology and Obstetrics” Older age, higher BMI, and family history of diabetes increase the risk of gestational diabetes in pregnant women.
10 citations
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November 2019 in “Neuroendocrinology” Measuring 17-hydroxyprogesterone in hair can help monitor androgen levels in people with congenital adrenal hyperplasia.
February 2010 in “Journal of The American Academy of Dermatology” White hirsute women with PCOS have higher insulin resistance, but similar nitric oxide and fibrinogen levels compared to those with idiopathic hirsutism.
32 citations
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January 2017 in “Physiology & Behavior” New hair growth corticosterone levels are higher in diabetic mice, indicating long-term stress.
1 citations
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January 2007 in “Journal of Obesity & Metabolic Syndrome” A higher calcium to magnesium ratio in hair is linked to lower insulin sensitivity.
28 citations
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August 2003 in “Steroids” Hirsute women have lower type 2 17β-HSD enzyme levels, which improve with treatment.
15 citations
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July 2012 in “Biological trace element research” Higher hair calcium to magnesium ratios and lower chromium levels in hair may indicate insulin resistance in Korean men.