Unsurprisingly, given the private nature of our "private parts," myths and misconceptions about the penis and testicles abound.

While the internet has probably helped make more information available to more people than any other invention in history, it's also responsible for a great deal of misinformation.

Here are a few of the more common myths about penis and testicle conditions and the information needed to debunk them.

Myth: Testicular cancer is common.

Reality: Testicular cancer is not widely prevalent, accounting for less than 1 percent of male cancers, though it is the most common cancer in males ages 15 to 35. Despite its high profile in the form of public service announcements and high school locker room warning posters, testicular cancer is fairly uncommon.

According to the American Cancer Society, about 1 in