The Atlantic has an interesting piece on how media bullhorn might be causing the increased panic and dismay facing society.
The implications of this man-bites-dog bias extend to Americans’ feelings of safety as well. Since September 11, 2001, fewer than 100 people have died in jihadist attacks in the United States, according to the New America Foundation, a think tank. That's about the same number of deaths from motor-vehicle accidents every day. But terrorism feels menacing and personal in a way that even a six-car-pileup does not, and so it receives disproportionate coverage. In December 2015, Americans named terrorism the country's most important problem.
The Case Against the Media by the Media in the The New York Magazine is a fascinating follow up read too.