National Geographic writer and explorer Dan Buettner studies the world’s longest-lived peoples, distilling their secrets into a single plan for health and long life. Dan and team study the world’s “Blue Zones,” communities whose elders live with vim and vigor to record-setting age. He shares the 9 common diet and lifestyle habits that keep them spry past age 100, and five out of these have nothing to do with diet or exercise! One of the best and most inspiring videos I have ever come across: