And boys might have done a few extra pushups after seeing Wolverine's abs. And it's not just celebrities pushing idealized images of human perfection. It's your teens' friends posting pictures of themselves and one another for all the world to see and comment on. What's worse, many of these moments are captured seemingly unplanned, increasing kids' anxiety about looking "perfect" -- but effortlessly so -- at all times. According to Common Sense Media's body-image study, Children, Teens, Media, and Body Image , teens who are active online worry a lot about how they're perceived.