Nutrition & Health

The Countries With the Healthiest Diets — And What They All Have in Common

Fact 1 of 264%

Japan’s Okinawans have the highest ratio of centenarians in the world.

Purple sweet potatoes are a staple of the Okinawan diet.

Residents of Okinawa consume purple sweet potatoes as their primary source of calories. This nutrient-dense root vegetable provides a massive dose of antioxidants compared to refined grains. Many elders practice Hara Hachi Bu, eating until only 80% full.

"Okinawa has 68 centenarians for every 100,000 inhabitants."

This caloric restriction combined with high-fiber intake is linked to extreme longevity and low disease rates.

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