20 citations
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January 2021 in “GeroScience” This study found that administering spermidine to aged mice for six months significantly reduced various age-related conditions, including brain, heart, kidney, liver issues, and hair loss, possibly due to decreased telomere attrition.
12 citations
,
February 2010 in “Tetrahedron Letters” This article describes the synthesis of novel polyamine-modified minoxidil analogs and conjugates to potentially enhance minoxidil's biological activity, selectivity, and water solubility, but reports no new biological results.
March 2026 in “Canadian Urological Association Journal” This study observed that complementary and alternative medicine, often marketed to men as ways to enhance "optimization," "recovery," and "vitality," has become mainstream, with many believing in its benefits for testosterone, erections, libido, hair loss, and sperm quality.
July 2007 in “Journal of Reproduction & Infertility” This study found that in male rats, finasteride significantly decreased spermatogonia and primary spermatocytes numbers and increased Leydig cells, but did not affect overall testis histology or spermatogenesis.
18 citations
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May 2002 in “BJUI” This study found that chronic exposure to finasteride did not significantly impact spermatogenesis in rats.