comment. The premature mortality of people with mental disorders is well established, but achieving an understanding of this problem has proved difficult. Drawing on the remarkable Danish case register system, Erlangsen and colleagues1 report on the excess mortality of people with mental disorders in Denmark over a 20 year period, from 1995 to 2014. In their study, people with mental disorders were defined as all people who had been diagnosed with a mental disorder during psychiatric hospitalisation or outpatient treatment. Please contact the library to request a copy of this article - http://bit.ly/1Xyazai