To find the path to long life and health, Dan Buettner and his team study the world’s “Blue Zones,” communities whose elders live with vim and vigor to record-setting age. We’ll debunk the most common nutrition myths and offer a science-backed blueprint for the average American to live another 12 quality years. What are the diet and lifestyle habits that keep people spry past age 100? What should you be eating to live a longer life?