127 citations,
June 2008 in “British Journal of Clinical Pharmacology” Low doses of some substances can be beneficial, while high doses can be harmful or toxic.
124 citations,
March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
123 citations,
December 2015 in “Journal of Neuroendocrinology” New targets for making and using brain-synthesized steroids could lead to better treatments for brain disorders and alcoholism.
122 citations,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
119 citations,
March 2020 in “Frontiers in Bioengineering and Biotechnology” Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.
110 citations,
October 2019 in “Translational Andrology and Urology” More men are getting benign prostatic hyperplasia, and there are many treatments, from medication to surgery, with new methods being developed.
105 citations,
January 2004 in “The Journal of Urology” Finasteride improves chronic pelvic pain, saw palmetto doesn't.
104 citations,
October 1999 in “The Journal of Urology” Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.
100 citations,
September 1999 in “British Journal of Dermatology” The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.
98 citations,
August 2004 in “BJU international” Medications have become the main treatment for enlarged prostate symptoms, replacing surgery and watchful waiting.
97 citations,
April 2016 in “Andrology” Hormones and metabolism play a complex role in prostate enlargement, and more research is needed to improve diagnosis and treatment.
93 citations,
February 2009 in “Annals of the New York Academy of Sciences” 5α‐reductase isozymes are crucial for prostate development and health, and targeting them can help prevent and treat prostate issues.
90 citations,
March 2017 in “JAMA Internal Medicine” Men over 66 taking medication for prostate enlargement have a higher risk of depression and self-harm, especially in the first 18 months of treatment.
87 citations,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
79 citations,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
78 citations,
December 2011 in “Clinical toxicology” Excessive selenium from a supplement caused toxicity but patients recovered with care.
77 citations,
June 2015 in “Nature Reviews Urology” Some common medications can harm male fertility, but many effects can be reversed.
77 citations,
November 2007 in “International Journal of Andrology” Testosterone with or without finasteride doesn't improve thinking skills in older men with low testosterone.
75 citations,
January 2014 in “Korean Journal of Urology” 5α-reductase inhibitors can cause sexual problems, higher risk of aggressive prostate cancer, and depression.
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.
71 citations,
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.
67 citations,
February 2020 in “Journal of Ginseng Research” Korean Red Ginseng has beneficial components that help with stress, immunity, fatigue, memory, blood flow, and disease protection.
66 citations,
April 2017 in “International Journal of Andrology” Men taking 5α-reductase inhibitors for enlarged prostate have a higher chance of experiencing reduced sexual desire and erectile dysfunction.
65 citations,
March 1999 in “Urology” Finasteride didn't significantly improve ICPPS symptoms, more research needed.
63 citations,
May 2017 in “American Journal of Clinical Dermatology” People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.
61 citations,
April 2014 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride affects brain and blood steroids, causing lasting sexual and emotional side effects.
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.
57 citations,
August 2003 in “British Journal of Dermatology” Minoxidil and pyrithione zinc combo most effectively increases hair density.
56 citations,
April 1998 in “Steroids” Finasteride reduces hair loss and treats BPH without major hormone changes, but may cause sexual dysfunction.
54 citations,
August 2019 in “Bioscience trends” Stem cells help repair tissue mainly by releasing beneficial substances, not by replacing damaged cells.