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.
January 2021 in “Research Square (Research Square)” Women with PCOS have different levels of certain metabolites in their blood, which could help diagnose and predict the condition.
December 2003 in “British Journal of Urology”
May 2022 in “Clinical Epigenetics” A mother's iron levels early in pregnancy can influence the DNA makeup of her child, potentially affecting the child's health.
65 citations
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August 2016 in “Metabolic brain disease” Children with autism have lower levels of essential and toxic trace elements in their hair.
9 citations
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November 2015 in “Gynecological Endocrinology” Different types of PCOS in Chinese Han women show varying levels of male hormone and metabolic issues.
20 citations
,
April 2009 in “Fertility and Sterility” 14 citations
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January 1984 in “Nutrition reports international” 8 citations
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April 1991 in “European journal of endocrinology” 3α-AdiolG is a good marker for androgen activity in women with excessive hair growth and decreases with anti-androgen treatment.
1 citations
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May 1967 in “Pediatric Research”
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Clitoria ternatea has potential health and skincare benefits but needs more testing for safe use.
90 citations
,
July 2014 in “Conservation Physiology” Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.
No single biomarker is reliable enough for diagnosing and assessing SLE.
135 citations
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August 1994 in “Clinical Endocrinology” Most women with hirsutism or androgenic alopecia had polycystic ovaries, especially if they had irregular periods.
21 citations
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April 2011 in “Physiological Research” Normal levels of DHT can reduce belly fat and increase muscle, but too much can lead to hair loss, prostate issues, and possibly heart disease.
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.
January 2024 in “International Journal of Trichology” PON1 levels might indicate hair loss severity, but other health factors can affect this.
8 citations
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July 2012 in “Annals of biomedical engineering” Hair absorbs molecules differently based on their size, charge, and love for water, and less at higher pH; this can help make better hair products.
Finasteride reduces DHT levels and affects gene expression in fish, similar to its effects in humans.
October 2022 in “International Journal of Research in Dermatology” Hormonal imbalances contribute to female hair loss, and trichoscopy is a useful diagnostic tool.
7 citations
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August 2023 in “Skin Research and Technology” Scalp conditions change with age, affecting hair health.
7 citations
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January 2018 in “PubMed” Low levels of iron, copper, and calcium may cause early hair graying.
May 2023 in “The Journal of Sexual Medicine” Men with self-diagnosed PFS-related ED have normal erectile hemodynamics.
October 2025 in “Journal of the Endocrine Society” Hormonal imbalances can cause heart rhythm issues, so checking hormone levels is crucial.
2 citations
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November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
Premature graying of hair is linked to vitamin D and B12 deficiencies, thyroid issues, iron imbalance, stress, and lifestyle habits, and affects quality of life.
9 citations
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April 2025 in “Psychoneuroendocrinology” The occipital region is best for measuring cortisol and cortisone, while the posterior vertex is better for OEA, SEA, and PEA.
18 citations
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March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Clitoria ternatea has potential health and skincare benefits but needs more testing for safe use.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Clitoria ternatea has potential health and skincare benefits but needs more testing for safe use.