How your 'second brain' changes the way you think

We have a 'second brain' in our gut that influences our behaviour – from our mood to our memory.

The connection between our brain and gut reveals the significant and surprising role microorganisms play, and the effect on our mind. Health correspondent Melissa Hogenboom investigates what research tells us about how we can improve our wellbeing.

Presenter & Writer: Melissa Hogenboom

Producer, Director & Editor: Griesham Taan

Motion Graphics: Pomona Pictures