Horrible but happy? New study reveals narcissists might be happier

New research from psychologists at Queen's University reveals that while nacissism might be a dark trait, it can lower stress levels and reduce chances of depression. 

The study looks at why narcissism appears to be on the rise in politics, social media and celebrity culture.

Vinny discussed this with Dr Kostas Papageorgiou and Siobhan O'Connor.