>>1357335Biking and sex—avoid the vicious cycle
> One in five of the men had numbness of the penis, which lasted more than a week in some. Thirteen percent (21 men) developed erectile dysfunction that generally lasted more than a week.https://www.health.harvard.edu/blog/biking-and-sex-avoid-the-vicious-cycle-201209145290> narrow seats and so-called cut-out seats INCREASED pressure on the perineum. 