3 citations
,
June 2000 in “Journal of The American Academy of Dermatology” Men with balding at age 45 had higher IGF-1 and lower IGFBP-3 levels, suggesting these factors might influence male pattern baldness.
7 citations
,
June 2020 in “Experimental dermatology” Researchers found that certain lipids, especially vitamin D3, are lower in prematurely grey hair than in pigmented hair.
October 2025 in “Frontiers in Toxicology” A new method effectively predicts estrogen-related health effects for early screening.
March 2023 in “Здобутки клінічної і експериментальної медицини” Low vitamin D in overweight teens is linked to higher leptin and lower adiponectin, affecting metabolism.
July 2020 in “Benha Journal of Applied Sciences” People with alopecia areata have higher levels of EGF in their blood than healthy people.
January 2014 in “Journal of Jilin University” Higher levels of certain immune cells and proteins are linked to more severe lupus symptoms.
4 citations
,
January 1989 Hair and nails can indicate selenium levels in the body.
6 citations
,
September 2014 in “Food Additives & Contaminants: Part A” New method effectively detects illegal hormones in anti-aging foods.
4 citations
,
May 2021 in “Molecules” The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
10 citations
,
June 2001 in “Annals of neurology” Alzheimer's patients have higher levels of certain chemicals in their hair.
February 2019 in “Trace elements and electrolytes” Women with chronic hair loss had lower levels of zinc, copper, and ferritin than healthy women.
December 2024 in “Kufa Medical journal” Higher levels of IL-17A and IL-2 are linked to alopecia areata.
January 2007 in “Zhōnghuá yàoxué zázhì” The method effectively showed that the two exemestane preparations are bioequivalent.
14 citations
,
January 2020 in “Advances in Dermatology and Allergology” Higher interleukin-15 levels are linked to more severe alopecia areata, but not to age or gender.
1 citations
,
August 2013 in “International Conference on Alcohol, Drugs and Traffic Safety (T2013), 20th, 2013, Brisbane, Queensland, Australia” People with kidney problems have higher hair EtG levels.
Ethanol changes GABAA receptor α4 subunit levels through phosphorylation and neuroactive steroids.
1 citations
,
November 2024 in “World Journal of Biology Pharmacy and Health Sciences” Women with PCOS have different hormone levels compared to those without PCOS.
Urinary and serum selenium levels are the best indicators of selenium intake in dogs.
September 2025 in “Diseases” Higher levels of certain proteins in the blood are linked to more severe patchy alopecia areata.
5 citations
,
August 2021 in “Frontiers in Cell and Developmental Biology” DHEA boosts bone cell growth and differentiation in elderly stem cells.
1 citations
,
November 2024 in “European Journal of Endocrinology” Higher childhood DHEAS levels are linked to advanced puberty and DNA changes.
February 2019 in “Psychoneuroendocrinology” Hair samples can reliably show average long-term hormone levels in young women.
June 1984 in “Clinical Biochemistry” Hair chromium levels might indicate chromium status and relate to glucose metabolism issues.
September 2021 in “Journal of advances in medicine and medical research” Low Vitamin D levels are linked to female hair loss.
22 citations
,
January 2017 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” A new method accurately measures nine specific hormones in human blood.
May 2019 in “Clinica chimica acta” The study developed methods to measure biomarkers in mice and found differences in hormone levels linked to gut microbiota diversity and stress response.
1 citations
,
December 1968 in “Archives of Dermatology” Low iron levels are not linked to hair loss in women with androgenetic alopecia.
January 2019 in “Kocaeli tıp dergisi” People with chronic hair loss may have a higher chance of Vitamin B12 deficiency.
October 2024 in “Journal of Medical and Scientific Research” Higher prolactin levels are linked to psoriasis, alopecia areata, and vitiligo severity.
January 2021 in “Turkiye Klinikleri Journal of Dermatology” Women with a certain type of hair loss had lower levels of a hormone called prolactin compared to healthy women.