April 2025 in “Düzce Tıp Fakültesi Dergisi” Vitamin D deficiency is common in children with non-scarring alopecia, and managing it may help treatment.
2 citations
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January 2018 in “Biology and medicine” High testosterone levels in 20% of the women studied may indicate PCOS, while 80% had low levels with potential health impacts.
January 2010 in “World Clinical Drugs” The method accurately measures finasteride levels in the body.
December 2022 in “Türk biyokimya dergisi” The conclusions are: fecal short-chain fatty acids may help prevent cancer, fiber intake can reduce obesity, weight loss is hard for obese people, low BMI cancer patients are more prone to chemotherapy side effects, intermittent fasting benefits gut health, cherry laurel has health benefits in rats, certain gene variations can increase stress in hair loss patients, fecal acids can affect blood sugar levels, cold agglutinin can affect blood test results in autoimmune patients, and people with Crohn's disease have higher levels of a certain chemical in their blood.
January 2004 in “Zhongguo xin yao zazhi” The method accurately measures finasteride in plasma, and the test tablets are as effective as the reference ones.
6 citations
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August 2023 in “Journal of Investigative Dermatology” 21 citations
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June 1991 in “Journal of Inherited Metabolic Disease” Selenium deficiency caused symptoms in a child, which improved with selenium supplements.
18 citations
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September 2015 in “Clinical Endocrinology” Women with PCOS have higher levels of a certain growth factor, which can be reduced by taking metformin.
January 2020 in “International Journal of Applied Biology and P” Finasteride treatment for three years changes certain polyamine levels in the blood but not in urine.
More research is needed to confirm if vitamin D helps improve pregnancy rates in women with hyperandrogenic PCOS.
7 citations
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January 2017 in “Indian Journal of Dermatology, Venereology and Leprology” March 2026 in “Skin Appendage Disorders” Telogen effluvium is linked to low ferritin and vitamin D levels.
Low Vitamin D3 levels are linked to hair loss in female students in South India.
February 2018 in “The American Journal of Gastroenterology” High-dose iron therapy improves anemia without affecting IBD treatment.
7 citations
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October 2011 in “Faṣlnāmah-i bīmārīhā-yi pūst” Iron and ferritin levels don't affect alopecia areata.
April 2018 in “Journal of Investigative Dermatology” A new peptide, FOL-005, may help treat excessive hair growth by reducing a hair growth promoter, FGF7.
9 citations
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October 2018 in “Journal of international medical research” Frontal fibrosing alopecia is linked to hypothyroidism but doesn't affect quality of life.
May 2018 in “Más dermatología” The higher dose supplement was more effective in treating female hair loss.
September 2018 in “BAUST Journal”
10 citations
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June 2001 in “Annals of neurology” Alzheimer's patients have higher levels of certain chemicals in their hair.
115 citations
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December 1996 in “PubMed” The safe daily selenium intake is up to 819 micrograms.
December 2021 in “Egyptian Journal of Dermatology and Venereology” Oxidative stress may worsen female pattern hair loss and could help track the disease and treatment.
3 citations
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November 1998 in “PubMed” January 2019 in “Figshare” Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.
February 2022 in “Mediators of Inflammation” Women with Polycystic Ovary Syndrome (PCOS) have lower levels of a substance called DIAPH1 in their blood, which is linked to changes in sugar metabolism and insulin resistance.
Children with alopecia areata have lower BDNF levels, linked to worse symptoms and quality of life.
2 citations
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March 2020 in “Baghdad Science Journal” Finasteride effectively reduces DHT and E2 levels, helping with prostate enlargement.
May 2015 in “Journal of the American Academy of Dermatology” Certain drugs and supplements may contribute to hair loss in the frontal hairline in older women.
29 citations
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July 2012 in “Fertility and Sterility” Low and ultralow doses of flutamide can cause liver damage in young women with high androgen levels, regardless of dose or birth control use, with higher risk for those with higher BMI and liver enzyme levels before treatment.
9 citations
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March 2018 in “International journal of molecular sciences” Allopregnanolone changes gene expression in glioblastoma cells.