Tattoos Big Ideas Piercing can be harmful. Tattoos are a form of free speech. They make you look cool. Related Topics Body image and various cultures Art and the human body Rights of minors Details Which tattoos are most popular? How much do they cost? What is the impact on your health? Events What's it like to have one removed? People get tattoos to mark significant events. When did they get so popular? People What age groups get the most tattoos? Who gets tattoos? What's the deal with tattoos and sailors? Issues Which populations are for or against them? What should the age limit be? How okay is it to show your tattoos at work?