Prostate cancer is the second leading cancer-related cause of death for men in the U.S. and the risks of developing the disease increase as you age. Many men won't experience any symptoms of the disease, which is why it is vital to have regular PSA screenings. This is often the first and only sign that something is wrong. However, as the disease progresses there are common symptoms that many men will suffer from. 1. Erectile dysfunction: Erectile dysfunction is a common symptom of prostate cancer and occurs when the erectile nerves which run alongside the penis are affected somehow. Difficulty in getting an erection or pain during erection could be a sign of prostate cancer. Find out more about taking prostate health seriously with this panel discussion.