Erectile dysfunction (ED), also known as impotence, is the inability to get and maintain an erection.
Erectile dysfunction is a very common condition, particularly in older men. It is estimated that half of all men between the ages of 40 and 70 will have it to some degree.
See your GP if you have erectile dysfunction for more than a few weeks. They will assess your general state of health because the condition can be the first sign of more serious health conditions, such as heart disease (when the heart’s blood supply is blocked or interrupted).
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