September 2023 in “Biology of reproduction” New testosterone analogs show promise for male contraception with better activity and potentially fewer side effects.
May 2023 in “International journal of pharmaceutical sciences and medicine” Sunflower oil was found to promote hair growth in mice with hormone-induced hair loss.
May 2023 in “Jurnal farmasi sains dan praktis” The hair tonic with cinnamon oil and coconut oil was stable and caused very mild irritation.
July 2021 in “Australasian Journal of Dermatology” The trichoscopy-assisted hair pull test is useful for diagnosing different types of hair loss.
December 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Stress can cause a type of hair loss in mice lacking the CCHCR1 gene.
December 2018 in “Journal of Advances in VetBio Science and Techniques” Low testosterone might be a common cause of hair loss in male dogs.
February 2018 in “The Journal of Sexual Medicine” Natesto nasal gel improves erectile function and mood in men with low testosterone within 30 days.
February 2026 in “Cureus” Ciclosporin can cause excessive hair growth even with testosterone blockers.
Genetic testing can help diagnose skin conditions but needs more research for full effectiveness.
July 2020 in “International Journal of Research” High testosterone increases heart disease risk in women with PCOS.
September 2012 in “African Journal of Urology” Testosterone replacement therapy improves libido, mood, muscle strength, and bone density in men with Testosterone Deficiency Syndrome.
July 2019 in “Journal of The American Academy of Dermatology” Lab tests for female hair loss have unclear usefulness; consider based on symptoms.
May 2013 in “Journal of the Egyptian Women's Dermatologic Society (Print)” High aldosterone and free testosterone levels link to female hair loss; testing aldosterone may predict hypertension risk.
21 citations
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January 2021 in “Therapeutic Advances in Endocrinology and Metabolism” Testosterone may have a dual role in COVID-19, potentially worsening outcomes in men, and testosterone therapy could help some patients, but more research is needed.
124 citations
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March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
31 citations
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September 2009 in “Natural Product Research” Citrullus colocynthis fruit extract may effectively treat testosterone-related hair loss, similar to finasteride.
20 citations
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June 2015 in “Hormone Molecular Biology and Clinical Investigation” Finasteride worsens erectile dysfunction and lowers testosterone in men with enlarged prostates, unlike tamsulosin.
18 citations
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October 2017 in “Drug Design Development and Therapy” DA-9401 helps protect rat testis from finasteride damage.
8 citations
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September 2017 in “Journal of Natural Medicines” Applying an extract from Perilla frutescens helps hair grow and fights the effects of hair loss hormones.
6 citations
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November 2010 in “International Journal of Andrology” New oral testosterone formulations show potential for safer, effective hormone replacement in men with low testosterone.
4 citations
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October 2020 in “Toxicology Mechanisms and Methods” Hesperidin protects rat testicles from finasteride damage and improves sperm health.
4 citations
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September 2020 in “Andrologia” Oregano extract helps fix testis and sperm damage caused by finasteride.
3 citations
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February 2018 in “Human Reproduction” A man with testotoxicosis was fertile despite low FSH levels, suggesting high testosterone may allow sperm production without FSH.
1 citations
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July 2021 in “Current Issues in Molecular Biology” Father's finasteride use may affect son's fertility and testicular function.
January 2025 in “The World Journal of Men s Health” Intratesticular PRP injections are safe but not proven to improve sperm retrieval in certain infertile 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.
August 2015 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
162 citations
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April 2016 in “The Lancet Diabetes & Endocrinology” Testosterone therapy in transgender men has both desired effects like increased muscle mass and potential health risks such as higher cardiovascular risk.
5 citations
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October 2018 in “Sains Malaysiana” Testosterone reduces key molecules needed for early pregnancy in rats.
143 citations
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August 1991 in “Endocrinology” Androgens, like testosterone, are crucial for early testicular descent in rats.