Irritable bowel syndrome or IBS, is an affliction that comes in several forms and impacts a lot of us. This week Luke explores what we know about crohn's and colitis, how treatments have evolved over time and why a new breakthrough may be able to offer far more insight for doctors, and better outcomes for patients, in the near future.

Listen and subscribe to Show Me the Science on Apple Podcasts and Spotify.

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'.