December 2023 in “Frontiers in Medicine” Hair samples can reliably monitor tacrolimus levels in kidney transplant patients.
6 citations
,
January 2013 in “Experimental dermatology” Bimatoprost increases hair growth in mice without breaking down into other substances.
September 2010 in “European Urology Supplements” Higher urethral PSA levels after prostate removal surgery may be linked to more hair loss and higher PSA levels post-surgery.
5 citations
,
April 2021 in “Journal of Endocrinological Investigation” Higher DHT levels are linked to fewer hypogonadism symptoms in men with normal testosterone levels.
5 citations
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February 2016 in “Genetic Testing and Molecular Biomarkers” Hair loss is significantly linked to lower levels of certain genes in hair follicles.
September 2017 in “Hair transplant forum international” Biotin is popular for hair loss, but there's little scientific proof it works.
September 2025 in “Cureus” Equilibrium dialysis can accurately measure testosterone levels when lab results are inconsistent.
21 citations
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September 1977 in “Journal of Pharmaceutical Sciences” Minoxidil levels measured in human blood.
24 citations
,
July 1979 in “Archives of Dermatology” Patients with renal disease may develop vitamin A toxicity even with low-dose supplements.
3 citations
,
September 2017 in “Galen medical journal” Patients with psoriasis and cutaneous-oral lichen planus have higher blood homocysteine levels than healthy people.
1 citations
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December 2016 in “Journal of Evolution of Medical and Dental Sciences” Hemodialysis patients often experience skin issues like dryness and itching, linked to certain blood chemical levels.
January 2004 in “Weiliang yuansu yu jiankang yanjiu” Diabetics have lower chromium, manganese, and copper, but higher iron in their hair.
6 citations
,
November 1980 in “Clinical Endocrinology” Measuring plasma testosterone glucosiduronate is a reliable way to detect high male hormone levels in women.
Higher methionine levels in pregnant rabbits' diets improve hair follicle development and hair fiber diameter in their babies.
Higher methionine in pregnant rabbits' diets improves baby rabbits' hair growth.
1 citations
,
April 2015 in “The FASEB journal” UVB exposure increases skin proteins for retinoic acid synthesis and shifts their location, possibly affecting skin repair.
5 citations
,
January 1994 in “PubMed” January 2022 in “Menoufia Medical Journal /Menoufia Medical Journal” Higher levels of retinol-binding protein 4 are found in people with alopecia areata, but these levels don't relate to how severe the condition is.
March 2015 in “The Journal of Urology” Finasteride reduces PSA levels by around 40-50% in BPH patients.
2 citations
,
April 2007 in “Journal of Labelled Compounds and Radiopharmaceuticals” The conclusion is that tritium-labeled testosterone metabolites can be made and are better converted into dihydrotestosterone in skin cells than in prostate tissue.
January 2004 in “Trace Elements Science” Diabetics have lower chromium, manganese, and copper, but higher iron in their hair.
Higher sulfotransferase enzyme levels predict better response to minoxidil for hair growth.
July 1998 in “Chromatographia” Women with effluvium have higher levels of certain urinary steroids, possibly due to stress and increased adrenal activity.
June 1984 in “Clinical Biochemistry” Hair chromium levels might indicate chromium status and relate to glucose metabolism issues.
4 citations
,
April 1986 in “Cancer Letters” GSH-T levels in hair follicles are similar in smokers and non-smokers and don't increase with certain treatments.
November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
March 2026 in “European Urology Focus” Finasteride improves prostate cancer prediction by adjusting kallikrein marker levels.
June 2015 in “Majallah-i 'ilmī-i dānishgāh-i 'ulūm-i pizishkī va khadamāt-i bihdāshtī darmānī-i Hamadān” Low vitamin D levels are linked to hair loss in women.
2 citations
,
November 1961 in “American Journal of Clinical Nutrition” 3 citations
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November 1998 in “PubMed”