21 citations
,
January 2009 in “Indian journal of dermatology, venereology, and leprology” Vitamin B12, folate, ferritin, and iron levels are not linked to alopecia areata.
72 citations
,
January 2007 in “Dermatology” Young Finnish men with more severe hair loss may have higher inflammation and obesity, increasing future heart disease risk.
1 citations
,
January 2007 in “Journal of Obesity & Metabolic Syndrome” A higher calcium to magnesium ratio in hair is linked to lower insulin sensitivity.
June 1995 in “International Journal of Gynecology & Obstetrics” Women with hair loss have higher androgen levels, while men with early balding have altered androgen ratios.
October 2023 in “Acta dermato-venereologica (Print)” People with severe hair loss have lower zinc levels in their blood.
February 2026 in “International Journal of Advanced Biochemistry Research” Hypothyroidism-related skin issues in dogs are most common in older male Labradors, causing hair loss, slow heart rate, and obesity.
1 citations
,
May 2025 in “Journal of Cosmetic Dermatology” Blood metabolites significantly influence alopecia areata risk.
January 2026 in “International Journal of Pharmaceutical Quality Assurance” Alopecia Areata patients have low zinc and high copper levels.
4 citations
,
June 2019 in “Journal of Cosmetic Dermatology” Women with hirsutism have different levels of omentin-1, which may be linked to the condition and its genetic aspects.
4 citations
,
June 1980 in “American Journal of Clinical Nutrition” Malnutrition can change hair color due to altered copper and zinc levels.
237 citations
,
September 2018 in “Clinical Biochemistry” Hair cortisol analysis can help diagnose stress-related conditions but needs more refinement for widespread use.
April 2019 in “Journal of the Endocrine Society” Using LC-MS/MS for hormone measurement can prevent false high testosterone results and avoid unnecessary tests.
June 2021 in “Egyptian Journal of Dermatology and Venereology” Psoriasis, acne, and hair loss are linked to unhealthy cholesterol levels, increasing heart disease risk.
7 citations
,
April 1992 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Women with non-classical congenital adrenal hyperplasia have higher levels of certain steroids, which can be reduced by treatment.
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.
11 citations
,
January 2011 in “Turkish Journal of Medical Sciences” Low iron levels are a significant risk factor for hair loss, while high vitamin D levels might be a response to hair loss, not a cause.
6 citations
,
November 1997 in “International Journal of Dermatology” Women with acne and irregular periods had higher active testosterone levels, which could suggest the usefulness of antiandrogen treatment.
7 citations
,
January 2022 in “Case Reports in Endocrinology” Ovarian hyperthecosis can cause symptoms even with normal testosterone levels, and surgery can improve these symptoms.
January 2016 in “American Journal of Clinical and Experimental Medicine” Lower zinc levels in hair are linked to more severe male pattern baldness, but blood zinc levels don't show this link. Age also increases baldness severity.
January 1995 in “대한피부과학회지” Higher hormone levels may be linked to female hair loss.
People with early onset hair loss (Androgenetic Alopecia) in Ile-Ife, Nigeria, have significantly lower iron levels compared to those with adult-onset hair loss.
26 citations
,
August 2021 in “Medicine” Low testosterone and SHBG levels are linked to higher COVID-19 death rates.
8 citations
,
May 2020 in “Anais Brasileiros de Dermatologia” Higher levels of ischemia-modified albumin in telogen effluvium patients may indicate oxidative stress.
2 citations
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August 2002 in “PubMed”
5 citations
,
October 2018 in “Journal of Clinical Laboratory Analysis” Women with PCOS who have high male hormone levels often also have insulin resistance.
Iron deficiency can cause hair loss and often signals underlying health issues.
4 citations
,
June 2025 in “JMIR Formative Research” Hair cortisol concentration may reflect some physiological stress but doesn't strongly correlate with perceived stress.
5 citations
,
January 2017 in “Dermato-endocrinology” Postmenopausal women with past hirsutism or irregular periods have more heart and lung diseases.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
Higher PSA levels can indicate prostate cancer, but there's overlap with non-cancerous conditions.