506 citations,
March 2005 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone therapy improves physical function, strength, and body composition in older men with low testosterone levels.
163 citations,
November 2003 in “Journal of Investigative Dermatology” Low iron levels may be linked to some types of hair loss in women.
89 citations,
December 2006 in “Lancet Oncology” Taking 1 mg/day finasteride for hair loss significantly lowers PSA levels in men, which may affect prostate cancer screening.
71 citations,
January 2014 in “Journal of Proteome Research” Women with PCOS have different levels of certain fats and proteins in their blood, which could help diagnose the condition.
62 citations,
January 2013 in “Skin Pharmacology and Physiology” Low iron and vitamin D levels are linked to hair loss in women.
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.
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.
33 citations,
August 2013 in “Journal of Investigative Dermatology” Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.
32 citations,
August 1999 in “Journal of Investigative Dermatology” Early onset hair loss linked to genetics and androgen levels.
28 citations,
March 2010 in “Histochemistry and Cell Biology” Different markers are found in stem cells of the scalp's hair follicle bulge and the surrounding skin.
10 citations,
May 2017 in “PLOS ONE” Men and premenopausal women in Korea show different patterns in iron and vitamin D levels, with no clear pattern for postmenopausal women.
10 citations,
January 2012 in “International Journal of Trichology” The study found no link between anxiety, vitamin B12, folate, TSH, ferritin, zinc levels, and trichodynia in telogen alopecia patients.
9 citations,
April 2006 in “American Journal of Pathology” SGK3 is essential for proper hair growth and health.
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.
8 citations,
June 2016 in “Clinical Chemistry” PSA levels could help detect illegal steroid use in female athletes but face challenges like cost and PCOS prevalence.
7 citations,
January 2017 in “Journal of Clinical Biochemistry and Nutrition” Higher vitamin D levels are linked to higher iron levels in Korean women without metabolic syndrome, but not in those with it.
7 citations,
January 2016 in “Clinical Hemorheology and Microcirculation” AGA patients have higher heart disease risk.
6 citations,
September 2019 in “Journal of cosmetic dermatology” Lower melatonin levels are linked to more skin aging.
6 citations,
May 2016 in “Urolithiasis” Balding and low testosterone increase risk of urinary stones.
5 citations,
October 2018 in “Medical Science Monitor” Women with PCOS have lower amylin levels, which are not related to their body weight.
5 citations,
April 2014 in “Journal of Obstetrics and Gynaecology Research” Young Indian women with PCOS have a higher risk of heart disease, not linked to thyroid function but to higher levels of certain fats and homocysteine.
4 citations,
January 2015 in “Journal of microbial & biochemical technology” Biotin helps regulate proteins in the blood, which may explain its role in hair growth.
1 citations,
October 2020 in “Journal of Cosmetic Dermatology” Possible link between hair loss and metabolic syndrome, with RANTES as a potential clue.
May 2024 in “World Journal Of Advanced Research and Reviews” Low iron levels are strongly linked to chronic hair loss in women.
January 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Patients with acne vulgaris have lower serum irisin levels.
July 2023 in “Dermatology and therapy” People with alopecia areata may have a higher risk of blood clots.
December 2021 in “Dermatology research” Low levels of vitamin B12, ferritin, and calcium are linked to premature graying of hair.
October 2021 in “Dermatology Reports” Higher IL-17A levels indicate more severe alopecia areata.
March 2009 in “The Journal of Urology” Low dose finasteride causes only minor changes in PSA levels in men over 50 with BPH.
417 citations,
February 2004 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone therapy increases bone density in older men with low testosterone levels.