HealthThe night: Why they call it the graveyard shift Your mum was right: staying up past your bedtime is bad for you. Working "unnatural" hours puts your body through the wringer. Tiffany O'Callaghan reports Features
HealthMultiple personalities: Takedown of a diagnosis The idea that sadistic childhood abuse could lead to multiple personality disorder has seized the public imagination, but could it be a diagnostic fad? Features