28 citations
,
December 1997 in “Journal of Biological Chemistry” A genetic mutation in the hHa1 gene creates a smaller, but still functional, hair protein without causing hair problems.
April 2019 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles may boost hair growth by enhancing energy production and blood vessel formation.
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.
September 2025 in “Journal of Dhaka Medical College” Lower vitamin D levels are linked to more severe alopecia areata.
Hair cortisol content can indicate cortisol exposure and varies with age, puberty, and BMI in youth.
April 2023 in “Clinical Chemistry and Laboratory Medicine” The document concludes that inflammation markers can be used in diabetes, vitamin D3 affects immune pathways, hyperthyroidism changes hormone levels, androgen levels help diagnose Adrenocortical Carcinoma, erectile dysfunction is linked to diabetes, hypogonadism is common in HIV-infected males, and hormones can be biomarkers for various conditions.
43 citations
,
May 1988 in “British Journal of Dermatology” Patients with acanthosis nigricans often have insulin resistance and signs of increased male hormones, but treatment targeting these male hormones is generally ineffective.
April 2018 in “The Journal of Urology” Men with prediabetes have worse sexual health and a higher risk of severe erectile dysfunction.
19 citations
,
January 2018 in “Acta dermato-venereologica” People with alopecia areata have higher levels of a heart disease marker than those without hair loss.
3 citations
,
September 2024 in “Journal of Microbiology and Biotechnology” Human placenta extract reduces inflammation and symptoms in atopic dermatitis.
7 citations
,
January 1971 in “Archives of Dermatological Research”
6 citations
,
June 2011 in “British Journal of Dermatology” People with alopecia areata have higher levels of RBP4 protein and antibodies against it.
January 2002 in “Agritrop (Cirad)” The hr gene is linked to hair loss in Valle del Belice sheep.
1 citations
,
September 1986 in “Journal of the Forensic Science Society” Hair root sheaths can be used to accurately analyze genetic markers.
January 1997 in “Journal of agricultural medicine and community health” Lower zinc and copper and higher cadmium in hair may be linked to non-insulin dependent diabetes.
1 citations
,
December 2023 in “Curēus” Most children with a common hemochromatosis genotype had elevated iron levels but no severe symptoms.
1 citations
,
January 2005 in “임상약리학회지” HDMHG0401-10 treatment significantly improved hair count and was better than a placebo in reducing hair loss in men with hereditary hair loss, with no major side effects.
19 citations
,
July 2020 in “EBioMedicine” A gene variant increases the risk of a type of hair loss by affecting hair protein production.
5 citations
,
January 2004 in “Annals of Dermatology” People with androgenetic alopecia (AGA) have lower hair density and more single-hair units compared to those with normal scalps.
4 citations
,
December 2012 in “Medical Hypotheses” Prediabetes may be a risk factor for hair loss.
4 citations
,
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.
March 2018 in “Benha Journal of Applied Sciences” Finger length ratio is not linked to hirsutism or hormone levels.
January 2021 in “Journal of Research in Medical and Dental Science” Men with certain patterns of hair loss, especially the U pattern, are more likely to develop insulin resistance.
1 citations
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October 2021 in “Prilozi - Makedonska akademija na naukite i umetnostite. Oddelenie za medicinski nauki” Many women with polycystic ovary syndrome have normal blood sugar, but some may have higher blood sugar levels or diabetes, especially if they are older, overweight, and have certain hormone levels.
30 citations
,
March 2015 in “Journal of Dermatology” Hair thickness differences help diagnose hair loss severity.
4 citations
,
March 2015 in “Australasian Journal of Dermatology” Hair loss is linked to insulin resistance in women, regardless of hormone levels.
6 citations
,
April 2012 in “Journal of Oral Pathology and Medicine” Rushton's hyaline bodies form from hair keratin and blood substances.
September 2024 in “Journal of the American Academy of Dermatology” Baricitinib helps long-term hair regrowth in severe alopecia areata patients.
157 citations
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June 2015 in “Psychoneuroendocrinology” Hair cortisol and cortisone levels increase with age, are higher in diabetics, vary by gender, decrease with frequent hair washing, and are lower in winter.
September 2018 in “Cumhuriyet medical journal” Women with more body hair tend to have thicker belly fat and more metabolic health issues.