Can we really boost our immune health? This week Sarah Ann Macklin speaks with Immunologist Dr Jenna Macchioci, who specialises and has 20 years experience in understanding how nutrition & lifestyle interact with our immune system in health & disease. How does diet and interestingly fibre play an important role in immune functioning? We find out why the immune system acts like our second brain, and sort fact from fiction in recent misconceptions regarding certain nutrients.  For more information, please visit www.sarahannmacklin.com and follow @sarahannmacklin and @be_well_collective