Erectile dysfunction (ED) occurs when a man can’t achieve or maintain an erection, hampering his ability to have sex. ED is not accompanied by a lack of interest in sex and can be very frustrating. What happens to prevent a stable erection? If any of the following conditions are not met, a man may suffer from ED: 1) The nerves to the penis must be working properly. 2) From the artery to the penis there must be good blood flow. 3) Veins must keep the blood inside the penis. 4) There must be stimulus from the brain. Many things can interfere with these requirements and cause ED.

 

Read the full article here: Erectile Dysfunction Can be Frustrating