Not a lot of men want to hear that there are behavior choices which are the causes of ED. The reason they do not want to hear that behavior choices can lead to erectile dysfunction because reversing the issue of ED requires making changes in how they live. Many do not want to do this and such an attitude will not only make it tough to reverse the problem of erectile dysfunction. Not improving lifestyle choices can lead to serious illnesses over time. The common lifestyle issues which can cause erectile dysfunction include drinking alcohol, smoking tobacco and obesity. Basically, such unhealthy practices will have a huge negative effect on the human body. Among those effects would be the onset of erectile dysfunction.