There is really very little controversy about both the causes of and treatments for erectile dysfunction as outlined in the conversations that follow. But there are two themes that emerged this month that warrant additional discussion. First, cardiovascular disease, hypertension, and diabetes are the most common causes of erectile dysfunction. In fact, erectile dysfunction should trigger an evaluation for all three diseases. Diet and exercise are effective in managing all three, though many men will also need drug therapy to obtain optimal results. Fortunately, aggressively treating these diseases can improve erectile dysfunction.