A black plate on a blue tablecloth, featuring a small side salad, white rice, a kebob of vegetables, and a steak of tuna fish.
In the Blue Zone of Costa Rica's Nicoya Peninsula, locals prioritize simple, fresh ingredients and lean proteins in their diet.
  • Costa Rica's Nicoya Peninsula is one of the world's blue zones, where residents live longer.
  • I tried the Costa Rican diet for about two weeks and saw big differences to meals in the US.
  • Here are three ways to bring elements of the Blue Zone diet back home.

Last month, as I explored Costa Rica's Pacific coast, I took particular care to visit the Blue Zone of the Nicoya Penninsula.