TLDR Finasteride reduces prostate size and PSA levels in young patients.
The study conducted by Tacino RB in 2015 at the University of São Paulo investigated the effects of finasteride on prostate volume and serum PSA levels in young patients. It found that after one year of finasteride use, the total serum PSA value was reduced by 10.51%, and prostate volume decreased by 6.3%.
104 citations
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October 1999 in “The Journal of Urology” Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.
April 2012 in “The Journal of Urology” Finasteride therapy reduces PSA levels and prostate size, helping diagnose prostate cancer.
March 2009 in “The Journal of Urology” Finasteride improves urinary symptoms and quality of life in BPH patients, especially with larger prostate size.
Evidence-based urology improved treatment and quality of life for conditions like BPH by shifting from surgery to effective medications like finasteride and dutasteride.
89 citations
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December 2006 in “Lancet Oncology” Taking 1 mg/day finasteride for hair loss significantly lowers PSA levels in men, which may affect prostate cancer screening.