It isn't all in people's heads, according to a new study
                                
                                
                                    (Newser) -
                                    Turns out anorexia isn't all mental—a possible relief to people who've been blamed for having a devastating illness, the  Guardian  reports. In a  new study , researchers analyzed the DNA of 17,000 people with anorexia against 55,000 without, and flagged eight genes connecting anorexia with psychological...