Vascular diseases affect blood vessels. They lower blood flow to organs such as the heart, brain, and kidneys. If they cut blood flow to the penis, they can cause erectile dysfunction. These diseases may be the cause of ED in as many as 50% to 70% of men who have it.
Usually, a vascular disease happens when cholesterol and other substances build up and block blood vessels. In some men, the arteries and veins in the penis, and the rest of the body, may not work properly. They may keep blood from flowing when they're not supposed to.
Some common health conditions are linked with vascular disease and clogged arteries: