109 citations
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April 2000 in “European Urology” Finasteride lowers risk of urinary issues and surgery by over 50% in 4 years.
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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.
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March 2000 in “Clinical Biochemistry” Women with hair loss had higher levels of certain hormones, suggesting a link to a condition like PCOS.