Modern medicine has been a miracle for healthy aging. But what if we’re still thinking about the subject of living better for longer all wrong? That’s the premise of Dr. Peter Attia’s book, “Outlive: The Science & Art of Longevity,” which he wrote with Bill Gifford and has been a runaway best seller since it was published this spring. In the book, Attia distinguishes between standard medical thinking, what he calls Medicine 2.0, and