Katherine Tangalakis-Lippert
- 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.