April 2019 in “Journal of the Endocrine Society” An over-the-counter vitamin/mineral supplement improved hair loss and blood sugar control in a woman with non-classic 11-hydroxylase deficiency.
January 2005 in “Zhonghua xingwei yixue yu naokexue zazhi” Selenium and iodine deficiencies cause delayed growth and abnormal neural behavior in rats.
20 citations
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August 1979 in “PubMed” Adding zinc to marmosets' water improved their health, indicating their diet lacked enough zinc.
109 citations
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April 1997 in “Journal of Lipid Research” Linoleate deficiency in rats reduces growth and n-6 polyunsaturate accumulation, causing mild symptoms.
October 2025 in “Brazilian Journal of Hair Health” Hair loss from weight-loss treatments is usually temporary and reversible.
September 2025 in “Clinical Toxicology” Contaminated wheat caused hair loss and other symptoms due to high selenium, but washing it with alkaline water helped.
2 citations
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January 1987 in “PubMed” Woolly hair syndrome is a genetic condition causing frizzy, fragile hair.
August 2025 in “Andrology” Abraham's family infertility may have a genetic explanation.
Tofacitinib significantly regrows hair in severe alopecia without major side effects.
May 2022 in “Journal of clinical and nursing research” Fire needle acupuncture is effective for treating alopecia areata.