416 citations,
September 1997 in “Journal of Investigative Dermatology” People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.
108 citations,
February 2008 in “The Journal of urology/The journal of urology” Inhibiting 5α-reductase can help reduce prostate cancer risk and improve treatment.
101 citations,
April 1994 in “Baillière's clinical endocrinology and metabolism” 5α-reductase is essential for male sexual development and its inhibitors have potential in treating various conditions related to hormone action.
72 citations,
April 2008 in “The Journal of urology/The journal of urology” Dutasteride and finasteride do not significantly affect bone density, blood fats, or blood production, but slightly lower PSA levels and minimally impact sexual function in healthy young men.
56 citations,
April 1998 in “Steroids” Finasteride reduces hair loss and treats BPH without major hormone changes, but may cause sexual dysfunction.
49 citations,
October 2017 in “Nutrients” Equisetum debile extract, especially the ethyl acetate type, may be a promising natural ingredient for anti-hair loss products.
29 citations,
September 2014 in “Current Opinion in Endocrinology, Diabetes and Obesity” Finasteride and dutasteride effectively treat hair loss in men and women, but may cause side effects like low libido and depression.
22 citations,
August 2011 in “Journal of Supercritical Fluids” Rice bran extract might help prevent hair loss.
15 citations,
January 2017 in “Advances in Experimental Medicine and Biology” 5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
8 citations,
June 2020 in “The Journal of Clinical Endocrinology and Metabolism” Taking 5α-reductase inhibitors with prednisolone can worsen its negative effects on metabolism.
1 citations,
April 2020 in “Journal of The American Academy of Dermatology” 5ARI treatment improves hair growth in older men with minimal side effects.
June 2018 in “The Journal of Sexual Medicine” Men with lower education levels are more likely to have erectile dysfunction if they have coronary artery disease.
February 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 215 citations,
November 2006 in “Journal of The American Academy of Dermatology” Dutasteride more effective for hair growth, but has more side effects than finasteride.
39 citations,
April 2007 in “Therapeutic Drug Monitoring” Finasteride affects urinary steroid profiles and can potentially hide steroid abuse in sports drug testing.
35 citations,
May 1986 in “Clinics in endocrinology and metabolism” The exact cause of increased 5α-reductase activity leading to hirsutism in women is still unknown.
26 citations,
June 2005 in “Journal of Molecular Endocrinology” Dutasteride is more efficient than finasteride, but individual results vary.
23 citations,
July 1993 in “Pharmacotherapy” Finasteride treats enlarged prostate and baldness, but may cause limited urinary improvement and sex-related side effects.
8 citations,
July 2017 in “The Journal of Steroid Biochemistry and Molecular Biology” DHT affects testicular development and regulates spermatogenesis in some fish.
4 citations,
May 2019 in “Physiology & Behavior” Cocaine impairs male sexual behavior and alters testosterone metabolism in the brain.
124 citations,
March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
58 citations,
January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
57 citations,
July 2016 in “The Journal of Sexual Medicine” 5α-reductase inhibitors increase the risk of sexual dysfunction, especially in men with enlarged prostate.
32 citations,
June 2017 in “Journal of Pharmaceutical Sciences” Chitosan-coated nanoparticles improve skin delivery of hair loss treatments with fewer side effects.
16 citations,
October 2007 in “Andrologia” DHT is a strong androgen that may pose less risk to the prostate compared to testosterone.
15 citations,
October 2016 in “Steroids” Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
13 citations,
August 1997 in “Steroids” Finasteride effectively lowers specific hormone levels, helping monitor treatment progress.
11 citations,
December 2010 in “The Journal of Urology” Taking oral testosterone with or without dutasteride increases testosterone levels and could be an effective treatment for low testosterone.
10 citations,
May 2010 in “Analytica Chimica Acta” New tests detect finasteride and dutasteride in urine quickly and easily.
9 citations,
October 1993 in “The Journal of Clinical Pharmacology” Finasteride doesn't affect antipyrine metabolism, so interactions with cytochrome P-450 enzyme drugs are unlikely.