Brian Lancaster's family believes he died of heart failure
                                
                                
                                    (Newser) -
                                    A 43-year-old former Road Rules star was found dead at his Phoenixville, Pennsylvania, home last Thursday, the local coroner's office confirms to  Us . Brian Lancaster, who competed on the seventh season of the MTV reality show in 1999—Road Rules: Latin America—had a history of arrhythmia, his family...