Portia: Lessons from the Blue Zone

The ''Blue Zone'' represents the five regions in the world where people are living to be more than 100 years old. Doctors Floyd and Pamela Atkins split their time between Texas and Costa Rica’s Blue Zone region. The physicians share their secrets to living longer, healthier lives. Journalist Ariyl Onstott opens up about the lessons she learned from her great-grandmother, who also lived in a blue zone region.