So-called "blue zones" are locations around the globe where its inhabitants live vastly longer lives than the rest of us. Specifically, there are seven regions, which are discussed in great detail in the book The Blue Zones: Lessons for Living Longer from the People Who've Lived the Longest by Dan Buettner.

Here are some of the essential behaviors people from these locations adhere to on a daily basis. And if you're smart, you will too.

4 diet tips from people living in 'blue zones'

  1. Daily meals are plant-based, though not entirely vegetarian.
  2. Diets are heavy in legumes—like beans, lentils, and peas.
  3. Citizens eat mostly organic and local foods.
  4. 'Blue zone' inhabitants consume loads of whole grains.

4 lifestyle behaviors of the world's longest-living people

  1. There's little, if any, smoking.
  2. 'Blue zone' inhabitants have close family connections.
  3. There's regular social engagement.
  4. Each and every day there's constant moderate physical activity.

For a more in-depth look at the nutrition-side of things, check out What people from the world's longest-living 'blue zone' regions eat to stay practically immortal.