Unlike the US government, who has installed them all around the nation, the European Union has decided to prohibit a certain type of body scanners from its airports. The EU argues x-ray would jeopardize both citizens’ health and safety. But if opponents to scanners also argue the display of people’s naked body triggers privacy issues, the EU decision allows the use of an alternative type of scanner based on radio frequency waves. In other words, if the EU showed concerns about the scanners’ effects on health, it didn’t take privacy rights into account.

Read more on Pro Publica.