According to a 2000 report published in American Psychologist, 26% of Americans surveyed in 1996 said they felt "an impending nervous breakdown, " compared with 21% in 1976 and 18% in 1957.

WSJ: Time for a Good Old-Fashioned Nervous Breakdown

Psychologist Dr Linda Papadopoulos said the extent and pervasiveness of abuse outlined in the report were "quite startling".

BBC: Teenage domestic violence tackled by advert campaign