Penis and testicles
A tight foreskin can be extremely painful but it can be treated - often without surgery.
If you're not peeing out the end of your penis you may have undiagnosed hypospadias. It can be treated.
Bashing the bishop, spanking the monkey, jerking off - whatever you like to call it masturbation is a normal part of life.
Testosterone plays a role in much of men's health - from hair to muscle, prostates to sex.
Getting it up shouldn't get you down. Here's everything you need to know about erections. Straight up.