Vincent Jackson's loved ones have donated his brain to Boston University
                                
                                
                                    (Newser) -
                                    Update: The former Tampa Bay Buccaneers wide receiver found dead in a Florida hotel room in February had chronic traumatic encephalopathy, or CTE, his family announced Thursday, per  NBC News . Vincent Jackson, who died at the age of 38, had stage 2 CTE, widow Lindsey Jackson said in a statement....