October 2014 in “Journal of Nutrition & Food Sciences” Higher copper and lower chromium and selenium in hair are linked to insulin resistance in visceral-obese adults.
August 2024 in “Journal of Biomedical Research & Environmental Sciences” Low SHBG levels are linked to negative health outcomes and should be used in assessing and managing health conditions.
6 citations
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January 2020 in “Postepy Dermatologii I Alergologii” Check and treat low iron and vitamin D levels in people with hair loss.
June 2019 in “Journal of Medical Sciences” Low serum ferritin levels are linked to hair loss in women.
January 1994 in “中医杂志:英文版” Hair trace element levels can guide new treatments for aplastic anemia.
3 citations
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May 2022 in “Indian Journal of Dermatology” Low ferritin and high Anti TPO levels are linked to early hair greying.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.
April 2023 in “World Journal of Advanced Research and Reviews” Frequent blood transfusions in beta thalassemia can lead to thyroid problems.
September 2025 in “Romanian Journal of Medical Practice” Iron deficiency is linked to female pattern hair loss.
August 2020 in “Benha Journal of Applied Sciences” Higher NLR, PLR, and MPV may help diagnose androgenetic alopecia.
January 2018 in “Hair therapy & transplantation” Hair health can indicate mental and general health.
July 2022 in “International Journal of Health Sciences” Cardiac risk markers help assess heart risk in males with type 2 diabetes and low DHT.
April 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Frequent blood transfusions in beta thalassemia patients can lead to thyroid problems.
October 2022 in “Linköping University medical dissertations” The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.
January 2016 in “International Journal of Research in Medical Sciences” Low iron, low thyroid function, and stress are linked to excessive hair shedding in women.
August 2025 in “Cermin Dunia Kedokteran” Low blood albumin often signals disease-related stress, not poor nutrition, and requires treating the cause and possibly supplementing albumin.
3 citations
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January 2017 in “Indian journal of health sciences and biomedical research KLEU” Low iron levels are significantly linked to hair loss in women.
21 citations
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July 2016 in “Gynecological Endocrinology” Obese and non-obese women with PCOS have higher heart risk markers, especially if they are obese.
6 citations
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January 1971 in “Pathology” Children's hair needs only a little iron for normal growth, regardless of their body's iron levels.
19 citations
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October 2019 in “BMC Neuroscience” Blood hormone levels don't accurately show brain hormone levels in males.
July 2023 in “Dermatology practical & conceptual” Low hemoglobin levels are significantly correlated with hair loss in women with Telogen Effluvium.
9 citations
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November 1991 in “American Journal of Kidney Diseases” 567 citations
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October 2007 in “Clinical and investigative medicine” Hair cortisol can be used to measure long-term stress exposure.
August 2019 in “Journal of Investigative Dermatology” Skin may help in getting rid of excess iron through the process of skin cell renewal.
1 citations
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January 2016 in “American Journal of Clinical and Experimental Medicine” Men with androgenic alopecia have different hair copper levels than those without.
June 2023 in “Benha Journal of Applied Sciences” People with chronic hair shedding have lower antioxidant levels in their blood compared to healthy individuals.
January 2026 in “Neuroscience Applied” Hair cortisol levels decrease as children age, stabilizing around age 4.
October 2022 in “European heart journal” Higher stress levels were found about two weeks before a heart attack.
50 citations
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June 2014 in “Experimental and Clinical Endocrinology & Diabetes” Hair hormone levels can indicate obesity-related changes and are useful for research and clinical practice.
August 2024 in “Journal of Cosmetic Dermatology” Telogen effluvium is linked to deficiencies in iron, vitamin B12, and thyroid function.