It's the biggest buzz word in the world, but does fake news actually matter at all? Does it change our behaviour? Do we even believe it? A world first study has been conducted by psychologists from UCD and UCC and the results are not what you might think.

Speaking to Dermot and Dave, Ciara Greene from the UCD School of Psychology explained the fascinating results they found from the prevalence of people believing fake news to the effect that warnings from Governments and tech companies actually have.