It is people like Carillo, who have not read a single health book in their lives, and don't spend a moment worrying about leading an active ... But Costa Rica's blue zone is fragile.

Costa Rica locals told Business Insider that droves of tourists visiting the area had eroded the Blue Zone lifestyle the ...

But do blue zone residents really live longer? Or is their legendary lifespan more myth than science? “People [in blue zones] reach age 100 at 10 times greater rates than in the United States,” ...

Read more: How I traded my west London flat for a beachfront paradise in Costa Rica It’s also one of the world’s six ‘Blue ...

These are Okinawa, Japan; Loma Linda, California; Sardinia, Italy; Nicoya, Costa Rica; and Ikaria, Greece. People living in these blue zones generally live longer, are happier and have lower rates ...