Every man wants to maintain a healthy sex life well after middle age, but unfortunately as the years go by it can become increasingly difficult. Men might experience erectile dysfunction as they get older because of naturally decreasing testosterone levels or lifestyle related health issues. But erectile dysfunction (ED) doesn’t HAVE to be in your future. Knowing what causes ED, can help you avoid it and keep you living an overall healthier life.  Let’s take a look at some risk factors for ED.