January 2016 in “Journal of SAFOG” Girls with PCOS and menstrual disorders have notably higher androgen hormone levels.
January 2008 in “The Year book of endocrinology” Gene variant linked to prostate cancer, hormone levels, and hair loss.
5 citations
,
October 2018 in “Medical Science Monitor” Women with PCOS have lower amylin levels, which are not related to their body weight.
37 citations
,
March 2014 in “Journal of Trace Elements in Medicine and Biology” Lower hair zinc and copper levels found in Turkish males with hair loss; higher BMI linked to less hair zinc.
8 citations
,
June 2020 in “International Journal of Dermatology” Men with early hair loss have lower vitamin D levels.
4 citations
,
April 2020 in “Journal of Cosmetic Dermatology” Low vitamin D levels are linked to different types of hair loss.
2 citations
,
August 2020 in “Journal of Cosmetic Dermatology” Higher granulysin levels in the blood are linked to more severe hair loss in alopecia areata patients, and these levels decrease after effective treatment.
2 citations
,
April 2019 in “Acta medica Philippina/Acta Medica Philippina” People with alopecia areata often have lower vitamin D levels than healthy people.
1 citations
,
August 2023 in “Cutis” Low ferritin levels can indicate iron deficiency as a cause of hair loss.
October 2025 in “International Journal of Social health” Finasteride lowers PSA levels and prostate size, requiring adjusted PSA interpretation for accurate cancer screening.
December 2024 in “Asian Journal of Medical Sciences” Low iron levels may be linked to hair loss in women with chronic telogen effluvium.
May 2023 in “Bali Medical Journal” Higher sebum levels are linked to more severe male baldness.
July 2022 in “International Journal of Health Sciences (IJHS) (En línea)” Men with Type 2 Diabetes have lower DHT levels, which may affect fertility and lipid profiles.
June 2019 in “Journal of Akhtar Saeed Medical & Dental College” Prolactin levels are higher in women with hirsutism but don't relate to its severity.
January 2012 in “Vitamins & trace elements” Smoking and drinking can lower vitamin levels and potentially trigger early hair loss, but overall vitamin levels don't seem to affect hair loss duration.
65 citations
,
October 1999 in “Journal of The American Academy of Dermatology” Finasteride effectively reduces hair loss by decreasing androgen levels.
56 citations
,
January 2008 in “Dermatology” Higher iron levels in the blood are not linked to increased hair loss in women.
2 citations
,
September 2012 in “Turk Dermatoloji Dergisi” Low levels of ferritin and vitamin B12 are common in women with telogen effluvium, but the link between nutrient deficiencies and the condition is not clear.
1 citations
,
November 2011 in “Dermatologica Sinica” Women using hair relaxers with alopecia had lower zinc levels, suggesting zinc deficiency might contribute to hair loss.
15 citations
,
April 2022 in “Ginekologia Polska” Higher thyroid hormone levels may be linked to certain types of polycystic ovary syndrome.
40 citations
,
March 1982 in “British Journal of Dermatology” Young women with diffuse hair loss may have low SHBG levels, which could lead to more active testosterone and contribute to their hair loss.
44 citations
,
April 2008 in “The Journal of Clinical Endocrinology & Metabolism” Women with PCOS have similar levels of certain proteins compared to women without PCOS, and these proteins don't independently cause PCOS.
January 2025 in “International Journal of Gynaecology Research” Adolescent females with PCOS have higher serum cystatin C levels, indicating potential metabolic and cardiovascular issues.
Lower vitamin D levels are linked to more severe hair loss in men.
April 2024 in “Proceedings” People with alopecia areata often have lower iron levels than healthy people.
35 citations
,
December 2009 in “Human reproduction” Metformin taken during pregnancy increases SHBG in newborns but doesn't change other hormone levels in mothers or babies.
8 citations
,
May 2021 in “Reproductive Biology and Endocrinology” Different levels of anti-Müllerian hormone can help diagnose polycystic ovary syndrome in women of different ages.
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
,
January 1994 in “Journal of hepatology” Cyclosporine A therapy changes sex hormone levels differently in pre-menopausal and post-menopausal women with primary biliary cirrhosis.
2 citations
,
March 2018 in “Clinical Nutrition ESPEN” Low vitamin D levels are linked to symptoms like muscle cramps, fatigue, and hair loss.