Understanding Your Penis and Testicles

Ejaculate and the process that sends it out of the penis are both a bit complicated.

Here's what your daybreak and nighttime erections can reveal about your sexual health.

Erections that last four hours need attention, though the type determines the urgency.

Short-term shrinkage is normal, but testes that continue to get smaller should be examined.

Where you live, who performs it, your insurance plan and even time of year affect the price tag.