Erectile Dysfunction Causes
Erectile dysfunction is a very common problem among men nowadays. Around half of men at age forty and older are affected by this problem to some extent. The older men get, the more chronic the problem of ED becomes.
Thus, when at the age of forty only 5% of men have constant erectile dysfunction problems; by the age of 65 it's already 15 to 20% of men, who have chronic erectile dysfunction effects. Inadequate erection is a problem of over half of men at the age of forty to seventy.
Physical and Mental Causes
Erectile dysfunction is considered to have many different causes, both physical and mental. Thus, physical causes of ED account for about 70% of cases, while psychological problems are reason for 30% of ED problems. But in many cases, the two causes compliment each other, making the diseases worse.
The most common causes for erectile dysfunction are diabetes (as much as one third to one half of men having diabetes, suffer from erectile dysfunction as well), atherosclerosis, kidney disease and alcoholism, which account for about 70% of cases, while such psychological causes, as depression, anxiety and stress result in about 10 to 20% of erectile dysfunction cases.
To understand the causes of erectile dysfunction symptoms and problems, it's necessary to understand what penis consists of and how erection occurs.