28 citations
,
January 1991 in “Reproductive Toxicology” Finasteride temporarily lowers male rat fertility without affecting libido.
December 2023 in “International journal of molecular sciences” Chromosomal differences affect how muscle cells respond to testosterone.
506 citations
,
March 2005 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone therapy improves physical function, strength, and body composition in older men with low testosterone levels.
Some drugs can reduce male semen quality.
5 citations
,
January 2018 in “Research Journal of Pharmacy and Technology” Finasteride significantly reduces fertility in male rats.
49 citations
,
December 2007 in “Fertility and Sterility” Stopping finasteride improved sperm counts in two men, reducing the need for fertility treatments.
8 citations
,
August 2021 in “Fertility and Sterility” Treatments for enlarged prostate can cause problems with ejaculation, and less invasive options might preserve sexual function better.
43 citations
,
January 2006 in “PubMed” Androgens and estrogens are crucial for male reproductive health, affecting hormone levels and tissue function.
1 citations
,
August 2013 in “Fertility and Sterility” Finasteride may improve sperm count in subfertile men with low sperm count.
April 2015 in “The FASEB Journal” Blocking androgens at birth reduces sexual motivation in male rats.
1 citations
,
September 2013 in “Fertility and Sterility” Finasteride discontinuation increases sperm count in men.
January 2014 in “edoc (University of Basel)” Anabolic steroids and inflammation can disrupt androgen metabolism, potentially causing health issues.
1 citations
,
June 2008 in “The Journal of Urology” Dihydrotestosterone gel before hypospadias surgery led to less scarring but raised concerns about potential psychological effects and skin changes.
March 2017 in “Iraqi Journal of Pharmaceutical Sciences” Abuse of anabolic steroids in Iraqi athletes leads to negative effects on hormones, liver and kidney function, blood sugar, and cholesterol levels.
2 citations
,
December 2017 in “Theriogenology” Testosterone increases acidification in the vas deferens by up-regulating V-ATPase.
September 2022 in “Translational Andrology and Urology” Finasteride may cause lasting sexual and mental health issues, and genetic screening could help prevent them.
26 citations
,
August 2016 in “Translational Andrology and Urology” Treatments for urinary symptoms often cause ejaculatory problems.
16 citations
,
January 2017 in “Asian journal of andrology/Asian Journal of Andrology” Men who start puberty later may have lower sperm quality and different hormone levels in adulthood.
23 citations
,
August 2005 in “Expert opinion on pharmacotherapy” New treatments for low male hormones improved sexual function and mood but had unclear risks, especially for older men.
October 2010 in “Journal of Men's Health” The conclusion is that doctors should be careful when prescribing 5α-reductase inhibitors due to possible serious side effects, and they should discuss these risks with patients.
October 1984 in “Kidney international” The patient had complex urinary tract issues and ambiguous genitalia, with physical features suggesting a hormonal imbalance.
5 citations
,
April 2016 in “PubMed” Young men with mild hair loss who experience significant social and emotional distress are more likely to have sexual problems.
12 citations
,
June 2006 in “British Journal of Sports Medicine” Doping in football faces legal challenges with testosterone limits, hair loss treatments, and recreational drug use.
Increased free testosterone can lead to stronger bones and less body fat but also higher risks of prostate cancer, hair loss, spine issues, and high blood pressure.
July 2025 in “Reproductive Biology” Finasteride use in male rats may harm their male offspring's liver function.
44 citations
,
April 2015 in “PubMed” Finasteride for hair loss may cause long-lasting side effects like impotence and low libido, but trials lack proper safety reporting.
20 citations
,
June 1985 in “Toxicologic Pathology” Some steroid-induced health issues in rodents improved after stopping treatment, but hair loss and eye problems did not.
April 2015 in “The FASEB Journal” Blocking male hormones in baby rats improved memory and increased weight.
4 citations
,
August 2024 in “International Journal of Impotence Research” Low testosterone increases kidney stone risk in men not on testosterone therapy.