What is erectile dysfunction (ED)? | Men's Health

Erectile dysfunction (ED) is the incapability to obtain or maintain a firm enough erection for sexual intercourse. It's sometimes called "impotence," but that term is becoming less popular.

ED can be intermittent or chronic:

Occasional ED visits are not uncommon. Many people experience it during stressful times or as a result of a recent dietary or lifestyle change.
Frequent ED visits, on the other hand, can indicate health issues that require treatment. It could also be a sign of emotional or relationship problems that you should discuss with a professional.

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