Eeat diets of food, not too much, mostly plants; they exercise routinely; they don’t smoke; they sleep enough; they are not ridiculously stressed out; and their social connections are strong.
Feet, forks, fingers, sleep, stress, and love- are the 6-cylinders in the engine of lifestyle as medicine. The covariance of proposition and preposition
But the Blue Zones are also noteworthy for their diversity. In Loma Linda, California, they are vegans. In Costa Rica, their diet includes eggs, dairy, and meat. In Ikaria, Greece and Sardinia, Italy they practice variations on the theme of Mediterranean diets. In Okinawa, Japan, a traditional plant-based, rice-centric diet produces the same outstanding results.
In all cases, the theme is the same: real food, not too much, mostly plants. Or put even more generically: wholesome foods, in sensible combinations. Unlike us here in the USA, if it glows in the dark by some contrivance other than bioluminescence- they don’t eat it!
Why choose low-fat or low-carb, when there are good and bad sources of fat, good and bad sources of carbohydrate? Why choose between low-glycemic and low-salt, when a diet of wholesome foods results reliably in both? Why choose between the quantity of calories and the quality, when the best way to control the former without perennial hunger is to improve the latter? Why choose any dietary dogma at all?
Can we say what diet is best? Yes, in fact, we can. But only if we grow up, get real, and look beyond the beauty pageant