Blue zone guts are pretty impressive. I’m not talking about the bellies in the Labatt section of the stadium. I mean the global blue zones: places around the world where inhabitants regularly live in good health to more than 100 years old. Gut health is dominating conversations about health and longevity. And why shouldn’t it? Research shows the microbial population living in your gut—your microbiome—can play a role in immune strength, mood, inflammation, and cognitive function. What’s really cool is that people living in blue zones live in diverse environments. They live in different parts of the world, eat different foods, and come from different cultures. But they share health and longevity. And it might have to do with, among other things, gut health. Here are a few things that may contribute to blue zone gut health: Eat more whole grains, nuts, veggies, and fresh fruit.  All of these things …