Caffeine and other chemicals could be harmful, says report
                                
                                
                                    (Newser) -
                                    Doctors are warning that children should not use energy drinks, which they call understudied and possibly dangerous, reports  AP . The chief danger? The drinks' caffeine and caffeine-related content, which can be four or five times greater than a normal soda and can cause heart trouble, strokes, seizures, nausea, diarrhea, and...