September 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.
February 2024 in “Malahayati Nursing Journal” High androgen levels can cause hirsutism and increase inflammation.
February 2023 in “Benha Journal of Applied Sciences” People with Telogen Effluvium have similar zinc levels in their blood as healthy individuals.
October 2023 in “Acta dermato-venereologica (Print)” People with severe hair loss have lower zinc levels in their blood.
1 citations
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July 2012 in “Nasza Dermatologia Online” IL-1α levels are higher in alopecia areata patients, suggesting a role in the disease.
1 citations
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January 2023 in “International journal of urology” Low zinc levels are linked to low testosterone but not to sexual problems.
33 citations
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September 2014 in “Reproductive Biology and Endocrinology” High afamin levels are linked to metabolic syndrome and may predict its development in women with insulin resistance.
5 citations
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April 2021 in “Journal of Endocrinological Investigation” Higher DHT levels are linked to fewer hypogonadism symptoms in men with normal testosterone levels.
Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.
18 citations
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May 1992 in “American Journal of Biological Anthropology” Higher androgen levels do not cause baldness in men.
5 citations
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May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
51 citations
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March 1986 in “Acta Dermato Venereologica” Alopecia patients had similar element levels to normal people, except for differences in copper and low selenium.
September 2010 in “European Urology Supplements” Serum triglyceride levels are not linked to prostate cancer risk.
January 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” Men with androgenetic alopecia do not have elevated DHEA-S levels.
October 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” Men with hair loss don't necessarily have higher levels of the hormone DHEA-S, but this hormone tends to decrease with age.
18 citations
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November 1998 in “Comparative biochemistry and physiology. Part A, Molecular & integrative physiology” Changes in prolactin and DHEA levels are not required for the start of mink hair growth cycles.
April 2012 in “Journal of IMAB” Men with male pattern baldness don't necessarily have high levels of Dehydroepyandrosterone-sulfate, and there's no link between its levels and the severity of hair loss.
52 citations
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December 1984 in “Journal of the American Geriatrics Society” Mineral levels in hair and serum don't help diagnose Alzheimer's.
3 citations
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May 2021 in “International Journal of Endocrinology and Metabolism” Irisin and GIP levels are not linked to BMI in women, regardless of PCOS status.
12 citations
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February 2020 in “The Journal of Clinical Endocrinology & Metabolism” More body hair in young Australian women is linked to higher androstenedione levels.
10 citations
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June 1998 in “PubMed” Finasteride significantly reduces DHT levels in male dogs without affecting testosterone levels, suggesting it could be used to treat benign prostatic hypertrophy in dogs weighing 10 to 50 kilograms.
26 citations
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October 2011 in “Biological trace element research” Low copper levels might cause premature graying of hair.
May 2024 in “Journal of trace elements in medicine and biology” Overweight or obese women before pregnancy have lower iron levels in their serum and hair during early pregnancy.
73 citations
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January 2013 in “Annals of Dermatology” People with hair loss, especially those with certain types, have lower zinc levels, and zinc supplements might help.
89 citations
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December 2006 in “Lancet Oncology” Taking 1 mg/day finasteride for hair loss significantly lowers PSA levels in men, which may affect prostate cancer screening.
February 2007 in “Journal watch” Low-dose finasteride lowers PSA levels, which can make prostate cancer harder to detect.
4 citations
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May 2024 in “Biomolecules” Zinc and copper levels may affect erectile dysfunction by influencing hormone levels.
September 2020 in “Research Square (Research Square)” Certain genes influence immunoglobulin levels in Chinese Holstein cows, which can improve calf health.
January 2022 in “Open Journal of Endocrine and Metabolic Diseases” Hirsute women have higher testosterone, cholesterol, and glucose levels.
February 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Taking 1mg of finasteride daily for hair loss can lower PSA levels by 40-50%, so to keep PSA effective as a cancer screening tool, the PSA value should be doubled during treatment.