“Breakfast is the most important meal of the day” traces to a 1944 General Mills marketing campaign, not science. Randomized trials show adding breakfast increases daily calories without improving metabolism. Someone who knows this checks in with their body—if hungry, they eat; if not, they don’t.
This companion explores the marketing origins, what science actually shows, the morning hunger question, what an informed person does, the identity shift, and practical benefits. (4 min read)