What is the role of the brain in our immune response? We already know that the brain makes us feel rotten when we're sick so we stay away from the rest of the herd and don't spread the infection further. But, now there is new research into the brain stem which showcases the two neural pathways that increase and suppress inflammation.

While there are still questions to be answered about finding the right balance of suppressing inflammation without leaving us susceptible to infection, Luke explains why it's such an exciting breakthrough.