gwern comments on What is the evidence in favor of paleo? - Less Wrong

13 Post author: jsteinhardt 27 August 2012 07:07AM

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Comment author: gwern 28 August 2012 12:18:16AM 0 points [-]

What about them? They eat more and differently these days, and accordingly, Okinawa's life expectancy has fallen.

Comment author: [deleted] 28 August 2012 08:07:38AM *  1 point [-]

I was thinking about the pre-WWII Okinawans. Anyway, isn't what you mention further evidence that CR works, even below the not-morbidly-obese line?

Comment author: gwern 28 August 2012 04:13:32PM 3 points [-]

It could be, yes. One question I have here is what is 'morbidly obese'? Is it like IQ, where it's essentially a relative ranking (the top fifth is the fattest and defined as morbidly obese), or do we have a clear bright line from biology where a certain weight is the crossing point between good and bad? If it is the former, then for all we know, Okinawans who were eating their fill were still above the bright line even though they look thin and fit from a contemporary American viewpoint.