Erectile Dysfunction (ED)
Erectile dysfunction is the inability to obtain or maintain an erection sufficient for sexual activity. It becomes increasingly common from the age of 40 years such that by the age of mid 50s up to 50% of men are experiencing some level of erectile dysfunction. At one point this was thought to be a psychological issue but over the last several decades it has been realized that it is primarily a blood vessel issue within the penis.
There are other causes of ED which may be more related to nerve damage such as after prostate surgery. Erectile Dysfunction has an association with cardiovascular disease and is often used as an indicator that men need to be screened for cardiovascular disease and it has some of the same risk factors such as smoking, high blood pressure, obesity and diabetes.