What is the most unhealthiest burger?
                                
                                
                                •
                                
                                
                        
                                    
                                    7 min read                                
                            
                                According to Guinness World Records, the world's most calorific commercially available burger was once a menu item at the Heart Attack Grill, packing an astonishing 9,983 calories. This record-breaking food item brings up a serious question: what is the most unhealthiest burger available today, particularly in the fast-food world?