Erectile dysfunction, commonly referred to as ED, or impotence, is the inability to achieve and sustain an erection sufficient for satisfactory sexual intercourse. This condition is not considered normal at any age and is different from other problems that interfere with sexual intercourse, such as lack of sexual desire and problems with ejaculation and orgasm.

How common is ED?

According the NHS, it is estimated that 50% of men between 40 and 70 years of age will experience ED at least once. Approximately 70% of men aged 70 and older will have ED.