What we know and don't know about nutrition (with Gil Carvalho)

Read the full transcript here.

How do we know what's true in nutrition? Why aren't nutrition studies seemingly as "definitive" as (e.g.) physics experiments often seem to be? What is the "hierarchy of evidence"? Why is there such a disconnect between the kinds of evidence that actually seem to persuade people and the kinds of evidence that scientists view as valid and meaningful? How can we talk about specific foods in ways that avoid labelling them as always good or always bad? Is the Mediterranean diet good for anyone and everyone? Is it better than all...