Running into a lot of conflicting  dietary advice? Eating--it seems like one of the simplest and most basic human activities. We've been doing it forever and today loading up your plate is easier than ever. But what should be on that plate seems to be a perpetual question.  In this series of episodes we lay a foundation for our conversations around food based on an understanding that has been around for 4,000 years and is just as relevant today as it was centuries ago.