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January 2018 in “Reproduction” Inhibiting 5α-reductase increases progesterone levels in late pregnant mares.
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November 2012 in “PubMed” 5α-reductase inhibitors may worsen sexual drive and spontaneous erections but don't worsen existing erectile or ejaculatory problems.
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May 2020 in “Dermatologic Therapy” 5-alpha reductase inhibitors might worsen lung recovery in COVID-19 patients, suggesting a pause in their use.
January 2022 in “Asian journal of Current Research in Clinical Cancer” Some dibenzo compounds might help treat cancer with fewer side effects.
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January 2020 in “Neuroscience” Blocking 5α-reductase can harm memory and brain structure, and increase harmful brain changes in male mice used for Alzheimer's disease research.
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January 2018 in “Pharmacoepidemiology and Drug Safety” Starting 5-alpha reductase inhibitors does not significantly increase the risk of rhabdomyolysis in older men, but is linked to a higher risk of muscle conditions.
January 2020 in “The Journal of Sexual Medicine” Using 5α-reductase inhibitors for hair loss can cause lasting sexual, physical, mental, and vascular health issues in men, even after stopping the medication.
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November 1990 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride effectively treats BPH, but needs more trials to understand potential.
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July 2018 in “Journal of Functional Biomaterials” A new anti-baldness patch effectively treats hair loss by blocking enzymes linked to the condition.
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April 2015 in “General and Comparative Endocrinology” Finasteride negatively affects fish reproduction and gonadal development.
December 2025 in “Cureus” Using 5α-reductase inhibitors for hair loss may increase the risk of dry eye disease.
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November 2012 in “Expert Opinion on Drug Safety” 5-alpha reductase inhibitors can cause sexual side effects like erectile dysfunction and reduced sexual desire, sometimes lasting after stopping the drug.
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May 2013 in “The Journal of Steroid Biochemistry and Molecular Biology” Certain drugs that block specific enzymes can help treat prostate diseases.
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June 2018 in “Urology” The review suggests younger men taking 1 mg finasteride report more side effects, including sexual, skin, metabolic, and psychological issues.
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May 2015 in “Neuropharmacology” Dutasteride protects dopamine neurons in Parkinson's mice, but Finasteride doesn't.
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March 2005 in “The Journal of urology/The journal of urology” Dutasteride may help shrink prostate cancer tumors.
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June 2009 in “Journal of Biological Chemistry” Finasteride helps treat hair loss and prostate enlargement by blocking a specific enzyme.
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February 2024 in “Pharmacognosy Journal” Fenugreek seed extract boosts testosterone and improves male reproductive health without heart side effects.
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September 2018 in “Neurobiology of Disease” Finasteride and dutasteride reduce unwanted movements from Parkinson's disease treatment by normalizing certain brain signals.
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March 2020 in “Frontiers in Chemistry” Compounds from the plant Mammea siamensis may help treat hair loss.
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October 1998 in “Comparative Biochemistry and Physiology Part C: Pharmacology, Toxicology and Endocrinology” Proscar (finasteride) blocks 5α-reductase in sea urchin ovaries and testes, suggesting potential treatment for androgen-related conditions.
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June 2015 in “Journal of Genetics/Journal of genetics” Genetic differences within ethnic groups may affect prostate cancer treatment effectiveness.
December 2025 in “International Neurourology Journal” Alpha-blockers and 5-alpha reductase inhibitors don't significantly increase dementia risk.
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July 2008 in “The Journal of Clinical Endocrinology and Metabolism” Certain mutations in the H6PD gene cause Cortisone Reductase Deficiency by affecting hormone production.
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February 1999 in “Journal of Dermatological Science” Minoxidil boosts enzymes that help hair growth.