How much screen time should pre-schoolers be exposed to?

Many of us parents are guilty of putting on an episode of the Wiggles, maybe Bluey to entertain the kids...but how much screen time is too much in early childhood?

New research has shown that higher levels of screen time in early childhood have been linked to poorer developmental outcomes for Kiwi kids.

Dr Megan Gath from the University of Canterbury's Child Well-Being Research Institute is one of the researchers behind this study. She speaks to Jesse.