An erection occurs when blood fills chambers in the penis, causing it to become firm. Vascular erectile dysfunction may happen if vessels that deliver blood to the penis become blocked or damaged.

Erections most often occur during sexual arousal but can sometimes also happen randomly. Often, an erection lasts from a few minutes to half an hour, but this varies between individuals, as many ...

NOT BEING ABLE to get hard when you’re ready to get it on can be distressing. But it definitely happens from time to time, and it doesn't necessarily mean something is wrong. Many factors could be at ...

Depending on the study, 18 to 36 percent of condom users—roughly one-quarter—report condom-associated erection loss, usually difficulties maintaining firmness once condoms have been rolled over ...