What does it really take to extend your healthspan? NYT bestselling author Dan Buettner walks us through the diet, exercise, and lifestyle choices of the planet's longest living communities.  In today's episode, Matt Tullman asks Dan about a longevity diet, wine and long-term health, the problem with our exercise culture, and more. Plus, a day in the life of Dan Buettner — how he puts his research into action.