 You're listening to The Way Home. We'll be right back. Hi, I'm Laura Smith, and here's a minute of purpose, improving your life 60 seconds at a time. What's the secret of living to 100 or more? Researchers are finding it in something called a blue zone. These areas around the world boast populations who live really long lives. Some blue zones include Sardinia, Italy, Okinawa, Japan, and Loma Linda in California.