February 2023 in “Benha Journal of Applied Sciences” Men with androgenetic alopecia may have higher cardiovascular risk due to elevated serum endocan levels.
5 citations
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August 1987 in “Andrology” Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.
November 2025 in “Journal of Sleep Research” Iron levels are linked to sleep apnea severity, especially in women with hair loss.
26 citations
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August 2021 in “Medicine” Low testosterone and SHBG levels are linked to higher COVID-19 death rates.
1 citations
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September 2016 in “Brain Behavior and Immunity” Hair cortisol levels can indicate stress and are affected by washing frequency, not cosmetic treatments.
1 citations
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October 2024 in “FARMACIA” Low levels of zinc and selenium in the body are linked to a higher risk of cataracts.
June 2025 in “Public Health of Indonesia” Low levels of zinc, calcium, vitamin D, and ferritin may be linked to hair loss in women.
November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
40 citations
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November 2011 in “American Journal of Human Biology” Stress from being transgender is linked to higher blood pressure at night and more inflammation, which may affect heart health.
January 1993 in “Journal of Dermatological Treatment” Most people who volunteered for a health study had medical issues, showing the need for careful screening before trials.
2 citations
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September 2024 in “Journal of Bioscience and Applied Research/Journal of Bioscience and Applied Research ” Vitamin D, Calcium, Iron, and Ferritin are linked to hair loss in both genders, while Zinc, Vitamin B12, folic acid, and TSH are linked to hair loss in males only.
1 citations
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January 2018 in “Annals of medical research” No link found between blood groups, Rhesus factor, and ferritin levels in women with hair loss.
Low ferritin and vitamin D levels are linked to hair loss, suggesting the need for personalized nutrition and diagnostics.
May 2025 in “AlQalam Journal of Medical and Applied Sciences” Low iron levels are common but not directly linked to hair loss in women.
14 citations
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January 2013 in “Journal of the Egyptian Women's Dermatologic Society /Journal of the Egyptian Women's Dermatologic Society”
9 citations
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November 2003 in “Journal of Investigative Dermatology” Low serum ferritin levels are linked to hair loss in women.
Measuring cortisol in hair can help assess adrenal function in asthmatic children using inhaled corticosteroids.
October 2023 in “Al-Anbar medical journal” The clinic-based hair fall count method is accurate and reliable.
July 2019 in “Journal of The American Academy of Dermatology” Lab tests for female hair loss have unclear usefulness; consider based on symptoms.
September 2024 in “The Scientific Issues of Ternopil Volodymyr Hnatiuk National Pedagogical University Series pedagogy” High uric acid can cause health problems, but lifestyle changes can help manage it.
January 2024 in “Experimental and clinical endocrinology & diabetes” A low-glycemic diet improved hormone levels and well-being in overweight women with high androgen levels.
Zinc levels in hair and blood are linked to enzyme activity in people with certain skin conditions.
3 citations
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January 2023 in “Dermatology Practical & Conceptual” IMA and IMA/albumin levels don't predict alopecia areata severity.
October 2014 in “Transfusion Clinique et Biologique” Iron deficiency can cause fatigue, exercise intolerance, and cognitive issues, even without anemia.
1 citations
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May 2025 in “Analytical Science Advances” A new method accurately measures iron in small samples with high sensitivity and low cost.
177 citations
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June 1991 in “The Journal of Clinical Endocrinology & Metabolism” Caucasian men have more chest hair and higher levels of certain androgen products than Chinese men.
5 citations
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December 2017 in “Atom Indonesia” Workers exposed to certain jobs have higher levels of heavy metals in their hair.
77 citations
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June 2006 in “Best Practice & Research Clinical Endocrinology & Metabolism” The document concludes that accurate measurement of serum androgens is crucial for diagnosing hyperandrogenism.
Women with hair loss may benefit from higher iron levels.
5 citations
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March 2020 in “Aids Reviews” Hair antiretroviral concentration is affected by hair type, segment position, housing, drug use, sexual behavior, kidney function, and genetics.