Would you let someone pierce your tongue? Or your eyebrows or nipples? Many people are doing just that. But they could be taking a chance.

The sudden popularity of tongue piercing generally raises little more than mild interest and the occasional wince. So why do some doctors want it outlawed?

Do you want your ex's tattooed name removed from your shoulder? There are three ways, and all of them are painful.

Scientists believe that tattooing was a more effective way to deliver a new generation of experimental DNA vaccines than standard injections into muscle.

Permanent makeup, which is essentially just a tattoo in place of cosmetics, may cause serious problems, researchers say.