23 citations,
February 2017 in “Journal of dermatology” Low serum levels of zinc and selenium may increase the risk of alopecia areata.
23 citations,
January 2016 in “International Journal of Trichology” Women with female pattern hair loss have lower Vitamin D3 levels.
22 citations,
January 2019 in “Climacteric” Oophorectomy lowers testosterone and estrogen levels in both premenopausal and postmenopausal women, with postmenopausal women still producing significant testosterone.
21 citations,
November 2017 in “Archives of Dermatological Research” Higher enzyme levels found in women with hair loss, suggesting hormone imbalance.
21 citations,
August 2014 in “Gynecological Endocrinology” Higher hs-CRP levels in Indian adolescent women with PCOS are more related to BMI than PCOS itself.
21 citations,
January 2009 in “Indian journal of dermatology, venereology, and leprology” Vitamin B12, folate, ferritin, and iron levels are not linked to alopecia areata.
20 citations,
January 2019 in “International journal of trichology” People with Alopecia areata often have lower Vitamin D levels, which might affect the severity of their condition.
20 citations,
December 1995 in “Journal of Chromatography B: Biomedical Sciences and Applications” Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.
20 citations,
July 1990 in “Clinical and experimental dermatology” Taking cyproterone acetate and ethinyl oestradiol for hair loss can lower vitamin B12 levels in women.
18 citations,
March 2008 in “British Journal of Dermatology” Finasteride works better for hair loss in patients 26 or younger.
16 citations,
July 2020 in “Psychoneuroendocrinology” People with Parkinson's disease have higher levels of cortisone in their hair, which may indicate chronic stress hormone dysfunction.
16 citations,
October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
14 citations,
January 1980 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” Both treatments reduced androgen levels and hair growth in women with hirsutism.
13 citations,
May 2012 in “Cutaneous and ocular toxicology” Alopecia areata is not linked to vitamin B12 deficiency.
12 citations,
January 2016 in “Journal of Clinical and Investigative Dermatology” Low vitamin D levels are common in people with Alopecia Areata.
12 citations,
May 2005 in “Fertility and Sterility” Higher insulin levels are linked to larger ovaries in women with idiopathic hirsutism.
11 citations,
January 2011 in “Turkish Journal of Medical Sciences” Low iron levels are a significant risk factor for hair loss, while high vitamin D levels might be a response to hair loss, not a cause.
10 citations,
July 2015 in “Journal of Cosmetic Dermatology” Higher DKK-1 levels found in hair loss patients; L-ascorbic acid 2-phosphate, L-threonate, and ginsenoside F2 may help promote hair growth.
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.
10 citations,
June 2001 in “Annals of neurology” Alzheimer's patients have higher levels of certain chemicals in their hair.
9 citations,
January 2014 in “Medical Hypotheses” Higher DHT in male baldness may protect against prostate cancer.
8 citations,
January 1986 in “Journal of hepatology” Men with liver cancer have higher levels of a specific testosterone byproduct in their liver and blood, despite overall lower male hormone levels.
8 citations,
June 2020 in “International Journal of Dermatology” Men with early hair loss have lower vitamin D levels.
8 citations,
October 2010 in “Scandinavian Journal of Clinical & Laboratory Investigation” Normal-range ALT levels can indicate metabolic and hormonal imbalances in young women.
7 citations,
December 2014 in “Journal of dermatology” Hair shaft miR-221 levels can help detect malignant melanoma.
7 citations,
January 2017 in “Indian Journal of Dermatology, Venereology and Leprology” 6 citations,
January 2020 in “Postepy Dermatologii I Alergologii” Check and treat low iron and vitamin D levels in people with hair loss.
6 citations,
October 2021 in “Biomedical Research and Therapy” Alopecia areata patients have higher levels of IL-6 and TNF-α.
6 citations,
May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
6 citations,
April 2011 in “British journal of oral & maxillofacial surgery/British journal of oral and maxillofacial surgery” Surgeons' testosterone levels significantly increase during major head and neck cancer surgeries.