First the doctor marks the belly button and numbs the area with a local anesthetic. He then creates an incision to get to the hernia, or hole, that has caused a belly button to poke out.

Well according to one doctor, cleaning your belly button has to be a little more of an active job than that or you are going to end up with a nasty surprise growing in your belly button.

Dr. Jason Singh, a primary care doctor based in Virginia, is revealing the three body parts you're probably overlooking in the shower — your belly button, feet and ears.