There are a lot of reasons to think twice before getting something permanently drawn on your body. One is that people still treat those with tattoos differently than those without. One recent study, for instance, looked at how men treat women with tattoos. What they found was that men are more likely to approach a woman with a tattoo and more likely to expect a date or sex with that woman. Here’s how the study worked. Researchers had women place temporary tattoos on their lower backs and sent them to a well-known beach. The women were instructed to lay on...