Listen to this episode
Dr Naomi Lavelle, science consultant and writer, joined Sean on the show.
Download, listen and subscribe on the Newstalk App.
You can also listen to Newstalk live on newstalk.com or on Alexa, by adding the Newstalk skill and asking: 'Alexa, play Newstalk'.
Read more about
FOOTBALL SATURDAY | Best derbies | Kenny criticism | Penalties practice
OTB Tribute: The Legacy of Brian Mullins with Barney Rock and Tommy Drumm
THE NEWSROUND: Brian Mullins RIP | North London derby | Leinster win at Ulster
Philip King of Other Voices
Down To Business