I think people should be more carefull about the article they read from the internet.
From someone that has some medical training -- don't do it! All kinds of blood born diseases you can get from tattos like hepititis B, hepititis C, Aids etc. My sister inlaw almost died of hepititis that she probably got from a tatoo years before. Read this before you do something stupid:http://www.biblebelievers.com/watkins_tattoos/health.html