37 citations
,
July 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.
36 citations
,
September 2009 in “European journal of paediatric neurology” Valproic acid treatment may cause temporary hair loss due to reduced zinc and biotinidase levels, which tend to normalize after 6 months.
32 citations
,
August 1999 in “Journal of Investigative Dermatology” Early onset hair loss linked to genetics and androgen levels.
30 citations
,
August 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect hormone levels in normal men.
29 citations
,
March 2010 in “Journal of Endocrinological Investigation” Lipocalin-2 levels are higher in women with PCOS and may indicate insulin resistance.
28 citations
,
April 2017 in “Journal of cosmetic dermatology” Low vitamin D can worsen pediatric alopecia areata.
26 citations
,
October 2011 in “Biological trace element research” Low copper levels might cause premature graying of hair.
24 citations
,
January 2012 in “Indian Journal of Dermatology, Venereology and Leprology” Diffuse alopecia areata involves more inflammation and higher allergy-related antibodies than patchy types.
23 citations
,
June 2019 in “Bioanalysis” Monitoring steroid hormones in blood can better detect testosterone doping.
23 citations
,
February 2017 in “Journal of dermatology” Low serum levels of zinc and selenium may increase the risk of alopecia areata.
23 citations
,
July 2016 in “International Journal of Trichology” 22 citations
,
June 2009 in “Brain & development” Biotin supplements increased biotin levels but did not significantly prevent hair loss in rats on valproic acid.
21 citations
,
January 2014 in “Dermatology Research and Practice” Hair and serum levels of zinc, copper, and iron are similar in people with alopecia areata and healthy individuals.
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.
19 citations
,
June 2018 in “Clinical cardiology” Older men with low levels of a testosterone byproduct had a higher chance of developing an irregular heartbeat.
18 citations
,
October 2015 in “Clinical Endocrinology” Women with PCOS have higher levels of a certain growth factor, which can be reduced by taking metformin.
18 citations
,
November 1998 in “Comparative biochemistry and physiology. Part A, Molecular & integrative physiology” Changes in prolactin and DHEA levels are not required for the start of mink hair growth cycles.
17 citations
,
January 2013 in “Indian Journal of Pharmacology” High levels of the seizure medication sodium valproate can cause hair loss.
17 citations
,
January 1997 in “Cell and Tissue Research” Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.
16 citations
,
June 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Low levels of vitamin B12 and ferritin are linked to early hair graying.
16 citations
,
May 2009 in “Journal of child neurology” Valproic acid does not change biotinidase enzyme activity in children's blood.
16 citations
,
January 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Antiandrogen drugs can reduce PSA levels in women with excess hair, suggesting PSA is a sign of male hormone activity in women.
15 citations
,
January 2016 in “International journal of trichology” Low vitamin D3 levels are significantly linked to hair loss, especially in female students.
15 citations
,
September 2006 in “Brain & development” Valproic acid may cause hair loss by reducing biotinidase enzyme activity in rats.
14 citations
,
January 2013 in “Journal of the Egyptian Women's Dermatologic Society /Journal of the Egyptian Women's Dermatologic Society” 13 citations
,
May 2012 in “Cutaneous and ocular toxicology” Alopecia areata is not linked to vitamin B12 deficiency.
11 citations
,
February 2019 in “Journal of Cosmetic Dermatology” Low zinc and biotin levels linked to male hair loss; supplements may help.
11 citations
,
January 2014 in “Egyptian Journal of Dermatology and Venereology” Women losing hair might have lower levels of vitamin D.
11 citations
,
October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride increases hair growth, prolongs hair cycle, and lowers dihydrotestosterone levels.