The Mossman–Pacey Paradox: Evolutionary Contradictions in Male Enhancement Treatments

April 2019 in “ Journal of Internal Medicine ”

Henrik Horwitz, Kim Dalhoff, Jon Trærup Andersen

anabolic steroids finasteride androgenic alopecia male pattern baldness erectile dysfunction infertility sexual dysfunction Propecia

Studysummary Men using steroids or finasteride to look more attractive may harm their fertility and sexual function, creating a paradox where they seem fit but may be less able to reproduce.

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research Finasteride Use in the Male Infertility Population: Effects on Semen and Hormone Parameters

54 citations , September 2013 in “Fertility and Sterility”

This study found that discontinuing finasteride led to a significant increase in sperm counts for most men with reduced fertility, though hormone levels and other semen parameters remained unchanged.

research Finasteride in the Treatment of Men with Androgenetic Alopecia

581 citations , October 1998 in “Journal of The American Academy of Dermatology”

In male pattern hair loss, this study found that finasteride 1 mg daily significantly slowed hair loss and increased hair growth over two years compared to placebo.

research The Psychological Effects of Androgenetic Alopecia in Men

192 citations , June 1992 in “Journal of The American Academy of Dermatology”

Hair loss can cause low self-esteem, anxiety, and depression in men.