
Almost all men at least once in their lives suffered from impotence, the inability to achieve or maintain an erection. This is usually temporary and is caused by excessive drinking or fear. However, in a certain category of men, impotence or erectile dysfunction (ED) is a persistent chronic illness caused by fear, stress and self-doubt and dissatisfaction. How does an erection come about? Under the influence of a whole combination of factors, there is an increase in blood flow and its temporary delay in special vessels of the penis.