“Breakfast Is the Most Important Meal of the Day”: Science, Psychology, and the Marketing Myth That Shaped How the World Eats
For more than a century, one sentence has quietly governed mornings across the globe: Breakfast is the most important meal of the day. It appears in school textbooks, health campaigns, cereal commercials, hospital pamphlets, and parental advice passed down like unquestioned wisdom. Skip breakfast and you’re told your metabolism will slow, your brain will fog, your weight will spiral, and your productivity will collapse.
But here’s the uncomfortable truth modern science keeps circling back to: that statement did not come from nutrition science. It came from marketing.
That does not mean breakfast is useless. It means the certainty surrounding it was manufactured long before evidence arrived. And once an idea embeds itself into culture, it becomes very difficult to separate habit from fact...




















