The recent announcement that the Duke and Duchess of Cambridge are expecting a third child will mean big changes for the children.

Each will take on a new role – eldest, middle and youngest.

Does birth order make a difference to how you grow up?

Brendan Kelly, Professor of Psychiatry at Trinity College Dublin dispelled some of the myths with Ciara Kelly on High Noon.

You can tune in to High Noon every weekday from 12pm-2pm online, on our apps or on 106-108FM.