

Answer
There are many things that you can do to prevent erectile dysfunction. The main thing is getting fit for sex. By that I mean that you need to look at having plenty of exercise, you need to reduce or stop smoking. If you are overweight you need to reduce your weight. If you have got a big tummy you need to try and reduce your abdominal girth. You need to try to keep your glucose normal, your cholesterol and your lipids need to be normal. So there are many things you can do. From the psychological aspect try and reduce stress and anxiety as well. From the lifestyle point of view you need to try to reduce alcohol, cigarettes and recreational drugs, all of which can cause ED.