179 citations
,
May 1982 in “The Journal of clinical investigation/The journal of clinical investigation” High levels of 3 alpha-diol glucuronide in the blood are a marker of increased androgen action in women with excessive hair growth of unknown cause.
January 2019 in “DSpace@MIT (Massachusetts Institute of Technology)” Higher PHGDH levels cause unusual melanin buildup in hair follicles.
29 citations
,
September 1983 in “British Journal of Dermatology” Men with hair loss have lower SHBG and higher saliva testosterone levels, suggesting increased androgen activity.
4 citations
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July 2018 in “Molecules” Gene expression in milk cells and blood can help detect illegal rbST use in cows.
137 citations
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April 2001 in “Journal of Clinical Investigation” Alopecia in these mice is caused by defective hair cycle communication due to missing vitamin D receptor function, not vitamin D levels.
34 citations
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April 1973 in “The American journal of clinical nutrition” Not enough vitamin B6 in pregnant rats' diets caused poor development and health in their babies.
73 citations
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October 2003 in “Journal of Pharmacology and Experimental Therapeutics” Hair color loss can indicate the effectiveness of a drug targeting the KIT protein in mice and humans.
July 2022 in “International Journal of Contemporary Medicine” Lower Paraoxonase 1 levels in alopecia areata patients suggest antioxidant treatment might help.
11 citations
,
January 2016 in “BMC veterinary research” Urinary Se to creatinine ratio, serum Se, and glutathione peroxidase are effective early biomarkers for selenium status in dogs.
21 citations
,
January 2021 in “Frontiers in Pharmacology” Thiopurines help treat IBD but require genetic testing to avoid side effects.
12 citations
,
November 2022 in “Toxics” EtG in hair can help detect alcohol use but may be inaccurate in people with certain health conditions.
8 citations
,
March 2012 in “Mass spectrometry letters” The S9 fraction with GC-IDMS is effective for measuring 5α-reductase activity.
14 citations
,
July 2021 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Interleukin levels are higher in alopecia areata patients but don't predict disease severity or duration.
11 citations
,
February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
February 2024 in “Journal of the European Academy of Dermatology and Venereology” Baricitinib is effective and safe for long-term use in severe alopecia areata, improving hair regrowth and quality of life with few side effects.
1 citations
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July 2022 in “Functional foods in health and disease/Journal of functional foods in health & disease” Taking a probiotic supplement twice a day improved hair growth, skin hydration, and metabolic health in adults at risk of metabolic syndrome.
22 citations
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April 2015 in “Current problems in dermatology” Human hair follicles have a unique metabolism that changes between growth stages and may contribute to baldness.
September 2017 in “Journal of Investigative Dermatology” Certain products and treatments can improve hair health and growth.
July 2025 in “Journal of Investigative Dermatology” BrdU speeds up hair follicle aging and reduces hair quality.
18 citations
,
January 1978 in “Advances in experimental medicine and biology” Hair cystine levels may indicate protein malnutrition, but more research is needed.
7 citations
,
October 2003 in “Nonlinearity in Biology Toxicology Medicine” Confirming low-dose endocrine toxicities is difficult and requires more research.
31 citations
,
September 2010 in “Current Opinion in Clinical Nutrition & Metabolic Care” Micronutrient deficiencies may cause hair loss in people on long-term parenteral nutrition.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Men with early baldness often have low vitamin D levels.
4 citations
,
April 2020 in “Journal of Cosmetic Dermatology” Low vitamin D levels are linked to different types of hair loss.
82 citations
,
October 1980 in “The Journal of Clinical Endocrinology & Metabolism” The child's body didn't respond well to vitamin D, causing hair loss and rickets.
2 citations
,
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.
August 2025 in “Pharmaceutics” A new method improves betulin delivery and shows promise in cancer treatment.
20 citations
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December 1999 in “Journal of Investigative Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
Urinary and serum selenium levels are the best indicators of selenium intake in dogs.
1 citations
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November 2015 in “Indian Journal of Clinical Biochemistry” The conference presented findings on how vitamin D levels, genetic factors, and lifestyle choices like smoking and yoga affect various health conditions and diseases.