Research from Cadbury's suggests that half of all adults consider themselves great secret keepers, but sadly a quarter of us can’t help spilling the beans…

So, what is the reason why we keep secrets, and why we find it so hard to keep information to ourselves?

Brendan Kelly, Professor of Psychiatry at Trinity College Dublin, Consultant Psychiatrist at Tallaght University Hospital and Jen Hogan, Columnist with the Irish Times join Kieran to discuss.