Why do we like scary movies?

A new horror sequel, Terrifier 3, was screened in the UK this week. Cinema goers were apparently left ‘traumatised’, with walkouts and one person even vomiting in the cinema.But, why do we put ourselves through such terror?To discuss, Adrian Kennedy is joined by Entertainment Journalist Rory Cashin, Dr Sarah Cleary, who holds a PhD in horror from Trinity and Psychiatrist Brendan Kelly.