The boasts of teenagers on Facebook about their risky behavior such as drinking may or may not be real. But teens who view them take them for the truth, according to a team of researchers from the University of Wisconsin-Madison and the University of Washington. The article quotes Megan Moreno, a pediatrician at the UW School of Medicine and Public Health and lead author of the study and Karyn Riddle, an assistant professor of journalism at UW-Madison who studies the effect of media on children.