The "gut-brain axis" is making its way from kooky alternative theory to routine medical treatments.

We go exploring! We also discuss how drumming re-wires your brain.

Also in this episode:

How can we quantify how smoky Sydney is?

Will Justin Z accept Justin B's kind offer of a poop transplant?

Would you allow your child to learn the drums with the knowledge that it necessarily increases the chance of them drumming in a cover band?