16 citations
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January 2002 in “Dermatology” Early baldness is noticed due to both reduced hair density and thinner hair shafts.
28 citations
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August 2003 in “Steroids” Hirsute women have lower type 2 17β-HSD enzyme levels, which improve with treatment.
22 citations
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May 1986 in “Clinics in endocrinology and metabolism” Certain finger length ratios and body hair patterns may predict side effects from birth control pills in women.
26 citations
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August 2009 in “Journal of Pediatric Gastroenterology and Nutrition” Hoyeraal-Hreidarsson syndrome in infants causes severe gastrointestinal issues.
2 citations
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September 2024 in “Diagnostics” A new method accurately measures cell changes in breast cancer.
150 citations
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November 2007 in “The Journal of Clinical Endocrinology and Metabolism” About 2.2% of women with symptoms of high male hormones have a mild form of congenital adrenal hyperplasia, and measuring a specific hormone level can accurately diagnose it.
October 2023 in “Acta Medica Nicomedia” Hirsutism greatly lowers the quality of life for Turkish women.
August 1987 in “European journal of endocrinology” The T/SHBG ratio may be a useful marker for androgen activity in women with androgenetic alopecia.
November 2021 in “Zenodo (CERN European Organization for Nuclear Research)” Understanding the 2D:4D digit ratio in vitiligo patients may help in clinical assessments.
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June 1981 in “Clinica Chimica Acta”
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January 2017 in “Ginekologia Polska” A higher testosterone to dihydrotestosterone ratio may indicate worse metabolic health in women.
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November 2018 in “The Journal of Clinical Psychiatry” Odds Ratios can be misleading; it's better to also present risk and Relative Risks for clarity.
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June 2020 in “Therapeutic drug monitoring” Hair sample weight is a better measure for cortisol levels in hair than hair protein concentration.
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July 1974 in “The Journal of Clinical Endocrinology & Metabolism” Low estrogen and high testosterone may cause excessive hair growth in women.
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March 2020 in “Hair transplant forum international” The HairMeasure device is a cheap way to measure Hair Mass Index and find scalp areas for hair exams.
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January 1992 in “PubMed” Higher CSF 5-HIAA levels may predict better response to serotonin re-uptake inhibitors in trichotillomania.
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August 1999 in “European journal of endocrinology” The study concluded that testing hormone levels after stimulation is not reliable for identifying carriers of 21-hydroxylase deficiency; genetic testing is necessary.
November 2025 in “BMC Endocrine Disorders” The TT/DHT ratio may help identify PCOS patients with severe metabolic issues.
40 citations
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June 2009 in “Journal of Cutaneous Pathology” AGA patients have fewer hairs and smaller follicles; T:V ratio above 4:1 may indicate AGA.
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November 2024 in “Journal of Clinical Immunology” Dupilumab effectively controls symptoms in infants with Netherton syndrome.
February 2022 in “Programa de Iniciação Científica - PIC/UniCEUB - Relatórios de Pesquisa” PRP is more effective than Minoxidil for reducing hair loss and promoting hair growth.
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May 1990 in “Journal of Steroid Biochemistry” Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.
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October 2025 in “EBioMedicine” Women have a higher DHT/testosterone ratio than men, possibly due to gut bacteria activity.
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June 2022 in “Experimental dermatology” The SHJH hr mice with a mutated Hr gene show signs of faster skin aging due to poor antioxidative protection.
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September 2023 in “Baghdad Journal of Biochemistry and Applied Biological Sciences” The mFG score is effective for diagnosing hirsutism.
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January 2005 in “PubMed” Women with excessive body hair often have higher male hormones and related health issues.
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September 2014 in “European Journal of Dermatology” Thicker hair grows faster; hair loss patients have slower growth.
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September 2015 in “Clinical Endocrinology” Using 17-hydroxyprogesterone levels to diagnose nonclassic congenital adrenal hyperplasia can result in many incorrect diagnoses.
22 citations
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January 2019 in “Endocrinology and metabolism” An mFG score of 7 or higher indicates hirsutism in Filipino women, often linked to higher free testosterone levels.
January 2006 in “Basic & Clinical Medicine” Hair keratin doesn't significantly affect rat organ function but may help detect early rejection through blood changes.