Jun 6, At what age does ED start? There is no specific age at which the penis stops working and erections no longer happen. And even though. May 1, Most older men suffer not ED but erection dissatisfaction. Starting around age 50 (often earlier among smokers and, or, diabetics), erections change. When erections appear, they rise more slowly and do not become as firm. If you or your partner is concerned about erectile dysfunction, you're not alone. Dr . Mark Newton, a urologist with UnityPoint Health, says he sees men daily who.