New research has found a startling link between types of bacteria that live in our gut and whether we become addicted to food. Laura, Jasmin and Emma discuss this, wonder about the connection between the gut and the brain which seems to provide two way communication, and speculate about the challenges of doing this research as well as what the future might hold. Fact check: The research that shows the correlation between gut microbe communities and addiction A quick summary of some ways the gut and brain communicate The gut-brain connection and some clinical trials that have shown probiotics can affect your mood How your immune system is involved