5 citations
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January 2017 in “Biomedical Research-tokyo” Long-term steroid abuse in athletes causes serious health risks, outweighing any benefits.
1 citations
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January 2002 in “Yaoxue jinzhan” Finasteride reduces sperm count and affects male reproductive function, while Epristeride does not.
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
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.
June 2021 in “Archives of Advances in Biosciences” Finasteride reduces sperm count and quality and alters hormone levels in mice.
34 citations
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January 2004 in “PubMed” DHT deficiency in rats reduces sperm content and affects testis structure over time.
Finasteride improves hair but may reduce sperm quality at higher doses.
10 citations
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September 2015 in “Folia Histochemica Et Cytobiologica” Finasteride treatment in male rats can reduce fertility and affect sperm development in their offspring.
26 citations
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March 2001 in “PubMed” Men's fertility and sexual health decline with age, with reduced testosterone and virility, and many lose fertility by their eighties.
40 citations
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January 1973 in “Journal of Dairy Science” Zinc deficiency in male goats leads to poor hair growth, smaller testicles, reduced libido, and is hard to reverse.
2 citations
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January 2014 in “Elsevier eBooks” The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.
July 2007 in “Journal of Reproduction & Infertility” Short-term finasteride use likely doesn't harm male fertility.
August 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Finasteride, at doses of 5mg or higher, may negatively affect male fertility by reducing the expression of certain genes involved in sperm production.
2 citations
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March 2022 in “Laboratory Animal Research” A mild botulinum toxin injection improved sperm production and movement in aging mice.
23 citations
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January 2007 in “Archives of Andrology” Finasteride may negatively affect male fertility.
69 citations
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February 1983 in “Gut” Men with coeliac disease may have hormone imbalances that could affect sexual function, but these can improve with better gut health.
4 citations
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September 2020 in “Andrologia” Oregano extract helps fix testis and sperm damage caused by finasteride.
April 2026 in “International Journal of Impotence Research” Anabolic steroid abuse can cause sexual, fertility, and health problems.
January 2026 in “Journal of Sexual and Mental Health” New male contraceptive pills show promise in reducing sperm production with mild side effects.
Finasteride and dutasteride can harm male reproductive health, affecting sperm and causing sexual dysfunction.
December 2025 in “Microscopy and Microanalysis” Lycopene protects against testicular damage caused by finasteride.
January 1983 in “Elsevier eBooks” Cyproterone acetate is used to treat conditions like prostate cancer, early puberty, excessive sexual drive, and female androgenization by affecting androgen functions and suppressing certain hormones.
February 2026 in “Andrology” Post-orchidectomy semen has better DNA integrity for fertility treatments.
November 2025 in “Репродуктивное здоровье Восточная Европа” Hormonal imbalance contributes to chronic prostatitis and affects male reproductive health.
July 2008 in “VTechWorks (Virginia Tech)” PrPC is important for neural differentiation in cattle and mouse embryonic stem cells.
18 citations
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June 2009 in “Journal of Molecular Endocrinology” Finasteride exposure harms tadpole reproduction and hormone balance.
14 citations
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March 2020 in “Cold Spring Harbor Perspectives in Biology” Mouse spermatogenesis shows that stem cells can behave flexibly and move widely in open environments.
11 citations
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March 2010 in “International Journal of Andrology” Finasteride 1-mg doesn't harm sperm or pregnancy chances.
18 citations
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May 2002 in “BJUI” Finasteride doesn't change rat testicle weight or sperm production.
5 citations
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June 2008 in “Acta Cirurgica Brasileira” Finasteride causes sperm production decrease in Mesocricetus auratus.