2152 citations
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November 2013 in “Urologia Internationalis” Many men under 40 with erectile dysfunction have organic causes like vascular issues, medication side effects, or hormonal problems.
1 citations
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February 2018 in “The Journal of Sexual Medicine” Ultrasound shows 96% of young men with erectile dysfunction after using finasteride have abnormal penile tissue.
7 citations
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June 2020 in “Translational Andrology and Urology” Finasteride for hair loss may cause lasting sexual, genitourinary, mental, and anti-androgenic side effects in young men.
February 2018 in “The Journal of Sexual Medicine” Natesto nasal gel improves erectile function and mood in men with low testosterone within 30 days.
13 citations
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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.