By Christopher Donovan 2

The Secret to Long Life: “Right Tribe”

In this video, speaker Dan Buettner reviews three world spots — Sardinia, Okinawa, and Loma Linda, California (home of a community of 7th-day Adventists) — where people regularly live to be 100.He throws in some political correctness (like claiming that the Adventists are racially mixed, which I question the extent of), but the biggest conclusion is: You live long by having a...