93 citations
,
January 2009 in “PubMed” Low iron levels are linked to hair loss in women.
83 citations
,
November 2002 in “British Journal of Dermatology” Low iron levels are not directly linked to chronic hair loss and iron supplements may not help.
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.
21 citations
,
June 2011 in “Journal of child neurology” Valproic acid and carbamazepine do not change biotin or biotinidase levels but may lower zinc levels, still within normal range.
17 citations
,
October 1980 in “PubMed” Valproic acid is effective for controlling seizures in children, especially as a single treatment, with some side effects.
6 citations
,
April 2017 in “JAMA Dermatology” Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
6 citations
,
May 2016 in “Urolithiasis” Balding and low testosterone increase risk of urinary stones.
4 citations
,
December 2020 in “Mammalian genome” Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.
4 citations
,
January 2010 in “Acta dermato-venereologica” Low androgen levels can still cause female pattern hair loss.
2 citations
,
January 2013 in “International Journal of Dermatology” ALDOA levels drop in hair cells during hair loss.
1 citations
,
April 2021 in “International Journal of Research in Dermatology” Low iron and vitamin B12 levels are common in women with chronic hair loss, while low vitamin D is less common.
December 2025 in “Cureus” Low serum ferritin is linked to hair loss in women.
October 2023 in “Journal of Preventive Diagnostic and Treatment Strategies in Medicine” Low ferritin and Vitamin D levels may cause hair loss after COVID-19.
October 2022 in “JAAD case reports” A man with itchy skin lesions and weight loss was diagnosed with a rare skin condition linked to a pancreatic tumor.
July 2019 in “International journal of dermatology, venereology and leprosy sciences” Patients with Telogen effluvium have higher levels of heavy metals than healthy individuals.
January 1986 in “Journal of Steroid Biochemistry” Women with severe acne, hirsutism, and androgenic alopecia often have higher levels of certain androgens, but the specific pattern can't be predicted just by looking at symptoms.
July 2021 in “Journal of pharmaceutical research international” Most women with female pattern hair loss have low vitamin D levels.
July 2021 in “British Journal of Dermatology” Low testosterone levels may contribute to female pattern hair loss in men.
5 citations
,
August 2018 in “International Journal of Dermatology” Men with sleep apnea and low iron levels are more likely to have male-pattern baldness, especially if they have a family history of hair loss.
4 citations
,
January 2019 in “Annals of Dermatology” Higher levels of MiR-92a-1-5p and miR-328-3p found in female hair loss patients.
March 2026 in “European Journal of Medical and Health Research” Women with hair loss had lower IGF-1 levels.
February 2025 in “Cureus” New methods reliably assess hair regrowth and scalp health in hair loss patients.
January 2025 in “Mansoura Medical Journal” TPO antibodies can help identify hypothyroid patients who still have symptoms despite normal TSH levels.
September 2023 in “Journal of Cosmetic Dermatology” Lower vitamin D levels are linked to higher CRP levels in people with a type of hair loss called alopecia areata.
October 2022 in “Benha Journal of Applied Sciences” Human Beta Defensin 1 levels do not predict the risk or severity of Alopecia Areata.
12 citations
,
October 2012 in “Dermatologic Clinics” Low-Level Laser Therapy and other light treatments for hair growth lack strong evidence and need more research.
7 citations
,
March 2019 in “Cancer Epidemiology, Biomarkers & Prevention” Finasteride use is not clearly linked to an increased risk of male breast cancer.
June 2007 in “Nature Clinical Practice Urology” Finasteride for hair loss lowers PSA levels, so PSA values need adjusting when screening for prostate cancer.
239 citations
,
July 2002 in “Clinical and Experimental Dermatology” Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.
62 citations
,
January 2013 in “Skin Pharmacology and Physiology” Low iron and vitamin D levels are linked to hair loss in women.