What causes erectile dysfunction?

The disruption of physical processes involving the central nervous system, the penis and some other organs is called male impotence. The condition can and should be improved with appropriate treatment. There are many causes, treatment options and risk factors. It's important to know how the erection occurs to understand ED (erectile dysfunction) and why men suffer from it.

A set of complex physical processes involving the peripheral and central nervous systems, penile smooth muscles and blood vessels, and the penis itself is needed to be functional for a man to get an erection. From the penile nerve endings are released chemicals which initiates a series of events which eventually lead to muscle contraction and increased blood flow to the penis, causing it hardness, when you are sexually aroused in response to touch, smell, or just by imagining the naughty things.

What are the risk factors of ED (erectile dysfunction)?
Certain lifestyle factors like substance abuse or drinking and smoking habits can affect your sexual performance. Also, the lack of physical activities can make you overweight, which, in turn, can have a negative affect on your circulatory system therefore on your sex life.

What causes impotence?
The risk factors are related to it in some way or the other, but they may not be directly involved with causing impotence. Any glitch in the set of physical processes required for an erection could and will interrupt blood flow into the penis, stopping you from getting an erection. Despite being sexually aroused, when you don't get an erection you are having ED, or impotence.