QI, Series G

[On children]

Alan Davies:
I thought you were supposed to play natural sounds because the noises of contemporary life are extremely distractive and create behavioral difficulties. That's why you mustn't have television on 'til they're four, or something like that.

Dara Ó Briain:
That's not how parenting works, my friend. You have the television - you train them to like the television as quickly as you possibly can!

Alan Davies:
[laughing] Because there was no ADHD until television was invented, they kind of coincide…

Dara Ó Briain:
They're happy with HD, my friend.