11 citations
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March 2010 in “International Journal of Andrology” Finasteride 1-mg doesn't harm sperm or pregnancy chances.
5 citations
,
June 2008 in “Acta Cirurgica Brasileira” Finasteride causes sperm production decrease in Mesocricetus auratus.
4 citations
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September 2020 in “Andrologia” Oregano extract helps fix testis and sperm damage caused by finasteride.
3 citations
,
July 2024 in “Urology Annals” Younger Klinefelter Syndrome patients have a better chance of successful sperm extraction.
3 citations
,
June 2011 in “EFSA Journal” Spermidine's effect on hair growth is not proven.
2 citations
,
March 2021 in “Reproduction” Finasteride may affect male fertility by interfering with specific sperm signaling.
2 citations
,
September 2007 in “Fertility and Sterility” Stopping Propecia may improve sperm count and fertility.
2 citations
,
November 2017 in “Histochemistry and Cell Biology” Polyamines are abundant in certain parts of rat hair follicles and may play a key role in hair growth.
2 citations
,
May 2006 in “Journal of Separation Science” The method effectively measures spermidine in hair lotions.
1 citations
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May 2024 in “The Journal of Sexual Medicine” Clomiphene Citrate can quickly restore fertility in some men after long-term steroid abuse.
1 citations
,
January 2020 in “Recent Research in Genetics and Genomics/Recent Research in Genetics and Genomics ” High doses of Lepidium sativum seed extract are toxic and should be used with caution.
1 citations
,
December 2011 in “EFSA Journal” Spermidine may help extend the growth phase of hair.
February 2026 in “Molecular Imaging and Radionuclide Therapy” High-dose radioactive iodine therapy does not harm fertility in thyroidectomy patients.
January 2024 in “Journal of Applied Health Sciences and Medicine” Nephrolepis biserrata may improve fertility and reduce prostate issues in males.
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” A small BOTOX dose improved sperm production and movement in older mice.
April 2021 in “Animal Bioscience” 5-Aminolevulinic acid can help chicken sperm move better at the right amount.
January 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” More research is needed to make sperm DNA fragmentation a reliable tool for diagnosing male infertility.
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
Long-term finasteride use may affect sperm structure and chromosomes.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
April 2026 in “ACS Applied Materials & Interfaces” Sper-12 nanoparticles may help treat hair loss by delivering siRNA to target androgen receptors.
October 2025 in “Physiologia” Spermidine may improve skin health and hair growth by enhancing cell function.
July 2012 in “EFSA supporting publications” The EFSA maintained its view that spermidine's effect on hair growth is related to disease treatment and does not meet the health claim criteria.
June 2011 in “Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)” Estrogens and androgens are crucial for male fertility.
October 2020 in “Journal of Pakistan Association of Dermatology” Finasteride appears safe for long-term sperm concentration, but more research is needed for clear conclusions.
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.
120 citations
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October 2007 in “Clinical Interventions in Aging” Estrogens help reduce skin aging, and SERMs might offer similar benefits without the risks of hormone therapy.
90 citations
,
July 2009 in “PTR. Phytotherapy research/Phytotherapy research” Spearmint tea may reduce testosterone and self-reported hair growth in women with PCOS.
October 2024 in “Endocrinology Insights” The Bethesda system is effective for identifying thyroid cancer but has low sensitivity.
January 2017 in “CommonKnowledge Research Repository (Pacific University Oregon)” Spearmint tea may help reduce androgen levels, but longer use is needed for noticeable effects on hirsutism.