September 2021 in “Journal of the Egyptian Women's Dermatologic Society (Print)” The study concluded that low iron and vitamin D levels in women might play a role in chronic hair loss, despite no significant difference between those with and without hair loss.
December 2020 in “The Medical journal of Basrah University” Low vitamin D levels may contribute to female pattern hair loss.
4 citations
,
September 1977 in “Lipids” Gerbils on a fat-deficient diet had altered fatty acid levels, hair loss, reduced sperm, and lower body weight.
2 citations
,
December 2017 in “Journal of The American Academy of Dermatology” The article suggests that five common skin-related lab tests may be unnecessary and could cause extra cost and anxiety without improving patient care.
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.
February 2025 in “Clinical Cosmetic and Investigational Dermatology” Certain blood metabolites are linked to female pattern hair loss, with some increasing risk and others offering protection.
20 citations
,
November 1968 in “The Lancet” Potassium levels affect blood sugar and insulin during dialysis, and malnutrition changes children's hair roots.
137 citations
,
April 2001 in “Journal of Clinical Investigation” Alopecia in these mice is caused by defective hair cycle communication due to missing vitamin D receptor function, not vitamin D levels.
24 citations
,
July 1979 in “Archives of Dermatology” Patients with renal disease may develop vitamin A toxicity even with low-dose supplements.
1 citations
,
August 2021 in “Journal of The American Academy of Dermatology” Baricitinib helped improve hair, eyebrow, and eyelash growth in alopecia areata patients.
April 2015 in “Archives of disease in childhood” A chubby child can still be malnourished.
29 citations
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December 2017 in “International Journal of Dermatology” People with alopecia areata often have lower vitamin D levels, which are linked to more severe and longer-lasting hair loss, but vitamin D receptor levels in the skin don't show the same pattern and don't predict treatment success.
November 2025 in “Khalij-Libya Journal of Dental and Medical Research” Hair loss is linked to low levels of zinc, vitamin D, and ferritin.
5 citations
,
October 2021 in “Clinical, cosmetic and investigational dermatology” Japanese patients with alopecia areata often have a higher BMI and consume more vitamin C, fruit, and retinol, which may affect their condition's development or severity.
54 citations
,
April 2007 in “Gastroentérologie clinique et biologique” Bariatric surgery can worsen nutritional deficiencies, requiring careful monitoring and supplementation.
May 2024 in “European Journal of Immunology” Vitamin B5 and coenzyme A may help regulate the immune system and could improve treatments for chronic diseases and cancer.
4 citations
,
September 2019 in “Journal of cosmetic dermatology” Topical bimatoprost 0.01% improves eyebrow density and diameter, especially at the tail.
10 citations
,
July 2013 in “British Journal of Dermatology” High MUC-18/MCAM levels in blood indicate a worse outlook for melanoma patients.
1 citations
,
August 2018 in “Journal of the American Academy of Dermatology” Children with autoimmune hair loss have similar vitamin D levels to healthy kids, suggesting no extra screening is needed.
1 citations
,
July 2023 in “Plastic and Aesthetic Nursing” Biotin and collagen may improve hair health.
October 2024 in “Journal of the Endocrine Society” Type B Insulin Resistance Syndrome is rare, linked to lupus, and hard to treat due to severe insulin resistance.
April 2025 in “Egyptian Journal of Medical Research” People with Telogen Effluvium have lower vitamin D levels.
46 citations
,
November 2014 in “The Journal of Clinical Endocrinology & Metabolism” Men with isolated hypogonadotropic hypogonadism have partial steroid deficiencies, while those with panhypopituitarism have severe deficiencies.
October 2014 in “Journal of Nutrition & Food Sciences” Higher copper and lower chromium and selenium in hair are linked to insulin resistance in visceral-obese adults.
15 citations
,
November 2009 in “Journal of diabetes and its complications” Patients with Type 1 diabetes should be screened for pernicious anemia.
June 2014 in “British Journal of Dermatology” Eczema patients have a lower skin lipid to protein ratio, older and longer-staying hospital patients are more likely to get pressure ulcers, hair loss in AGA is linked to muscle degeneration, vitamin D deficiency is common in alopecia areata and linked to its severity, standard liver tests don't effectively detect fibrosis in psoriasis patients on methotrexate, and bullous pemphigoid patients have a higher death risk but combination therapy may reduce it.
January 2022 in “International Journal of Medicine in Developing Countries” Many patients with hair loss had low iron and vitamin D levels, but thyroid issues were not common.
3 citations
,
October 1976 in “BMJ” Sodium valproate can cause low platelets and hair loss.
9 citations
,
September 1989 in “PubMed” Sudanese children with severe malnutrition have low selenium levels, which may affect their recovery.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Men with early baldness often have low vitamin D levels.