@drbrucesloane: The #1 cause of erectile dysfunction isn’t testosterone. In most cases, it’s blood flow—blockages in the vascular system that prevent normal erections. Because erections are a circulation issue, ED can sometimes be an early warning sign of cardiovascular disease. I break it down in my No BS Newsletter. Link in bio. @drkbawa #philadelphiaurology #menshealth #menshealthmatters #healthtips #urology