October 2024 in “Journal of the Endocrine Society” Certain genetic variants reduce enzyme activity, contributing to non-classic congenital adrenal hyperplasia.
January 2020 in “ScholarWorks (Central Washington University)” NAG-1 may help prevent some metabolic issues related to PCOS.
August 2024 in “Clinical Cosmetic and Investigational Dermatology” Hypothyroidism may cause certain types of hair loss.
January 2026 in “Medicine” Higher LDL cholesterol may increase the risk of hair loss, while HDL cholesterol does not.
October 2023 in “Psychiatry research. Case reports” A new HRAS gene variant may cause a range of symptoms including intellectual disability and psychiatric issues.
December 2023 in “JCEM case reports” A new gene variant causes glucocorticoid resistance in a mother and son.
October 2024 in “Journal of the Endocrine Society” Gender-affirming hormone therapy affects metabolism differently based on treatment type.
352 citations
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January 2006 in “The Journal of Clinical Endocrinology and Metabolism” Most women referred for excess male hormone symptoms had polycystic ovary syndrome (PCOS), with other conditions being less common.
134 citations
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February 2005 in “Neuropsychopharmacology” GABRA2 gene variations impact alcohol response, and hair loss medication finasteride reduces some effects.
38 citations
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September 2021 in “Signal Transduction and Targeted Therapy” Genetic differences affect COVID-19 severity and treatment development.
January 2024 in “Experimental and clinical endocrinology & diabetes” A low-glycemic diet improved hormone levels and well-being in overweight women with high androgen levels.
2 citations
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March 2022 in “Portuguese Journal of Nephrology & Hypertension” A rare EGFR mutation in newborns leads to severe health issues and early death.
November 2011 in “Journal of Investigative Dermatology” TRH in hair follicles can influence hair color by increasing melanin.
22 citations
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January 2012 in “Obstetrics and Gynecology International” Obese women with PCOS have more cardiovascular risk factors, and waist-to-stature ratio is a better health marker than waist-to-hip ratio.
20 citations
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April 2002 in “PubMed” Mini rats have thinner skin, more fat, and different hair cycles than Wistar rats due to lower growth hormone levels.
October 2022 in “Frontiers in Endocrinology” New tools show that in fish, NPY increases feeding and somatostatin decreases it.
1 citations
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August 2025 GLP-1 receptor agonists can help skin conditions but may cause hair loss and other skin issues.
1 citations
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January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Increased PHGDH expression causes early melanin buildup in hair follicles.
3 citations
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January 2025 in “Journal of Research in Medical Sciences” Intermittent fasting, with or without probiotics, doesn't improve inflammation or stress markers in women with PCOS compared to calorie restriction.
Lower serum irisin levels are linked to androgenetic alopecia but not to insulin resistance.
89 citations
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August 2008 in “Human genetics” The EDAR gene greatly affects hair thickness in Asian populations.
3 citations
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October 2010 in “Journal of Experimental & Clinical Medicine” Obesity is a major risk factor for insulin resistance in Taiwanese women with PCOS, which is also an independent risk factor for metabolic syndrome.
February 2024 in “Biomedicines” Pregnant women with PCOS have higher levels of Neurokinin B in the placenta, especially with female babies.
2 citations
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September 2008 in “Fertility and Sterility” Clinical signs of excess male hormones and actual hormone levels in the blood do not always match in women with polycystic ovary syndrome.
19 citations
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September 2007 in “The Journal of Steroid Biochemistry and Molecular Biology” Glucocorticoid receptors help regulate genes important for skin health and hair growth.
January 2025 in “Pakistan Journal of Health Sciences” The Cyp11a1 gene variation has a weak link to PCOS, but higher di-hydro-testosterone levels are found in PCOS patients.
5 citations
,
June 2023 in “BMC genomics” A specific gene mutation causes long hair in Angora rabbits.
1 citations
,
October 2024 in “Canine Medicine and Genetics” The MLPH gene is not linked to seasonal hair loss in Rhodesian Ridgeback dogs.
4 citations
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April 2017 in “International journal of reproduction, contraception, obstetrics and gynecology” The study concluded that a higher waist-hip ratio significantly increases the risk of metabolic syndrome in women with PCOS.
January 2026 in “Metabolites” Obesity may weaken the immune system and increase cancer risk.