Dietary guidelines have shifted dramatically: from fearing fat to fearing sugar, from margarine to olive oil. Kearns’s analysis of internal industry documents shows one such episode: sugar-industry money behind a 1967 review that blamed fat. The experts were certain then too. Today’s certainty may be tomorrow’s revision. What stayed consistent: eat vegetables, limit processed food, whole grains over refined.
This companion covers the major shifts, why they changed, and what this means for you. (3 min read)
Written by AI, directed and approved by me. How this is made →