Top 3 erectile dysfunction causes
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Nov 01, 2025 · 14 min read
The three most common drivers of erectile dysfunction that persists for weeks to months are reduced penile blood flow from vascular disease, pelvic floor dysfunction that can’t “lock in” pressure by trapping blood, and a stress/anxiety loop that activates the sympathetic “fight-or-flight” response and shuts erections down. Because ED can be an early “check engine” ...