alt Hacker NewsMost "good for your health" advice is pop culture driven with a half life of 5 years anyway and breakfast being the most important meal of the day is a marketing slogan. In other words, no better than any various convention.
About the only things that stick are "don't stop physical and mental activity as you age" and "do stuff in moderation".
If you call it "intermittent fasting" and write a book about it, you can get a whole movement behind how healthy skipping breakfast and lunch is. And another movement preaching about how bad it is. And a followup book about what you REALLY should do ad nauseam.
Pretty much, so much of what we take for granted in culture was actually intentionally designed from the top down to have masses of people fall into line and become good servants of the economic system.
As for good diets, for instance, there is a wild meal schedule that has shown to be fairly good at managing weight, it is just intense. It is the 16 to 17 meals a day plan. One meal every hour you are awake, each one only about 100 to 150 calories. It does potentially work but try selling it to people and worse getting folks to stick to it.