Today there are more treatments than ever. Erectile dysfunction is more common than one might think. More than half of men over 40 will experience some kind of erectile problem, and the prevalence increases with age (though men in their 20s and 30s can be affected, too).

The experience can have a devastating effect on a man’s wellbeing . Yet a shocking number of men don’t seek help. One industry survey suggests that just 51% of men with erectile dysfunction had discussed the issue with their doctor, and even fewer had spoken to their own partners about it.

There is “not a medical condition that I’m aware of that affects more men’s lives,” said Dr Mohit Khera, a urologist and the president of the Sexual Medicine Society of North America. But there are effective treatments, he added, beyond well-known medications like Viagra..