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March 2003 in “Veterinary Dermatology” Most dogs with alopecia had higher than normal levels of certain hormones, but hair loss might not always be linked to these hormone changes.
August 2021 in “The Journal of Urology” Finasteride use is strongly linked to sexual dysfunction, especially in young men treating hair loss.
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January 1995 in “The American journal of medicine” Testosterone and dihydrotestosterone play a role in women's health issues like excess hair and baldness, and treatments blocking these hormones may help.
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March 2017 in “Experimental Dermatology” Finasteride helps female-pattern hair loss.
November 2022 in “Hair transplant forum international” Finasteride does not cause sexual dysfunction in men with hair loss.
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April 2021 in “Journal of Endocrinological Investigation” Higher DHT levels are linked to fewer hypogonadism symptoms in men with normal testosterone levels.
May 2021 in “Journal of the Endocrine Society” A woman's hair loss and other symptoms were due to a rare hormone deficiency treatable with steroids.
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April 1973 in “Endocrinology” The chemicals 17βC and its methyl ester can block the effects of testosterone on hamster skin but not the effects of DHT.
November 2024 in “BMC Research Notes” SIRT3 and SIRT7 genes may play a role in hair loss.
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February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
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September 2020 in “Journal of The American Academy of Dermatology” Severe male balding may increase the risk of serious COVID-19, and treatments that reduce androgens or block a specific enzyme might help protect these individuals.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Saw Palmetto, combined with Lycopene, L-Arginine, and Astaxanthin, improves male health by balancing hormones, reducing inflammation, and enhancing hair and urinary health without side effects.
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November 2025 in “European Journal of Endocrinology” Hair steroid profiling is a feasible, non-invasive alternative to serum analysis for assessing hormone levels and metabolism.
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September 2019 in “PLOS ONE” Genetic variations affect dutasteride treatment response for male pattern hair loss.
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June 2026 in “The Journal of Sexual Medicine” Finasteride 1 mg reduces semen quality without affecting hormones.
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February 2016 in “The Journal of Sexual Medicine” Androgens play a role in female sexual function, and testosterone therapy can help women with low sexual desire, but more research is needed on treatments and long-term safety.
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May 2001 in “PubMed” Androgen hormones affect hair growth and oil production, influencing conditions like hair loss and acne.
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February 1975 in “Journal of Steroid Biochemistry” February 2023 in “Journal of Microencapsulation” The finasteride nanosystem with trehalose is stable and effective for topical hair loss treatment.
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June 2025 in “British Journal of Dermatology” Low-dose oral minoxidil and finasteride effectively improve hair growth in men with androgenetic alopecia.
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September 2024 in “Scientific Reports” Sebum samples remain stable under various storage conditions, making them suitable for remote and at-home testing.