We’ve been told products like goji berries and pomegranate juice will boost your immune system—but attempts at “boosting” your immune system can do more harm than good. In fact, over the counter supplements contribute to over 20,000 ER visits per year! So is there a safe way to boost our immune systems, and should we even be doing it in the first place? An immunologist takes us through the body and down the “wellness” aisle to debunk products you’ve been sold and shares what you can really do to improve your body’s most important defense system. Read the full transcript for this episode at go.ted.com/BSTscript5