It stands to reason that our diet powerfully influences our health and longevity. Yet nutrition pundits make recommendations at odds with one another, leaving us confused about what we should be eating. This problem arose from the lack of reliable scientific evidence. Recently, several long-term studies correlating diet with health outcomes have come to fruition, supplying solid results upon which to base a rational diet. The instructor will review the data, by nutrient group and food, and discuss the underlying metabolic mechanisms. He will present his recommendations on what to include in the optimal diet, and what to avoid. • Lecture + Q&A.