RE: evolution and diet

From: gts (gts_2000@yahoo.com)
Date: Wed Apr 23 2003 - 17:35:24 MDT

  • Next message: I William Wiser: "Re: evolution and diet"

    Eliezer S. Yudkowsky:

    You did not answer my question, Eliezer.

    Would Mr. Hugh M. Species in 12,000 BC have been acting unreasonably if he
    asked the new dairy and grain farmers to prove their case that their
    new-fangled foods were healthy additions to the diet? Please answer this
    important question.

    You might agree with me that yes, this burden-of-proof demand was
    reasonable, but then go on to claim that the demand is no longer valid given
    that ~14,000 years have passed since the advent of dairy and agriculture.
    However in that case the burden of proof then shifts logically to you to
    show that we have evolved to such a degree that bread and milk add something
    to human health vs other more nutrient-dense paleolithic sources of
    calories.

    > For millions of years you've done fine on a diet of "things
    > that taste good", following the decision rule of, if two
    > foods are available, preferring to eat the one that tastes
    > the best. Suddenly you awaken one morning to find paleodiet
    > theorists claiming that this evolved instinctive
    > simple rule no longer works

    Why do you think sweet and fatty foods taste good?

    Surely it is because paleo humans were always in a near desperate search for
    much needed calories needed to survive. Paleo humans who liked the taste of
    high-carb and high-fat foods tended to survive and multiply, and so we
    moderns are left with their legacy: the reward circuitry in our brains is
    activated by the taste of fat and sugar. Modern farmers have profited from
    this at our expense by over-indulging us with the excessive quantities of
    non-paleolithic sweet and fatty foods that activate our neural reward
    circuitry.

    -gts



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