June 2023 in “Clinica Chimica Acta” Finasteride and dutasteride effectively reduce DHT in hair, which may help evaluate their treatment success for hair loss.
3 citations
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February 2013 in “The Journal of Sexual Medicine” Finasteride may cause lasting sexual side effects, but more research is needed.
Finasteride's benefits outweigh its risks.
May 2022 in “Reactions Weekly” 
26 citations
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August 2014 in “PubMed” Testosterone improves mood and thinking skills; finasteride has no effect.
14 citations
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February 2011 in “Drug Metabolism and Disposition” Ketoconazole increases finasteride's effectiveness and lifespan in the body.
March 2014 in “The Journal of Urology” Finasteride increases CD8+ T cells in BPH tissues.
July 2013 in “Edinburgh Research Archive (University of Edinburgh)” Dutasteride may reduce insulin sensitivity and increase body fat.
January 2006 in “Guangzhou Chemistry” The new method for making Finasteride is cheaper and safer for large-scale production.
32 citations
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July 2017 in “Clinical and Experimental Dermatology” Finasteride effectively treats hair loss in transgender men with few side effects.