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Until I got to the end, I was wondering if you had read any Taubes. Speaking from personal experience, I think he's right that the standard "calories in- calories out" formula is just wrong. I do believe that our ultra-processed diet is certainly effecting our overall health, but I think its primary effect on weight gain is what keto proponents claim: it delivers easy carbs and sugars to people who's metabolisms, for whatever genetic reason, can't handle them in a non-disordered way. Here comes my personal anecdote (not intended to be one size-fits-all advice): my blood sugar reached diabetic levels early last spring, but I went on keto, lost just over 50 pounds, and brought my A1C levels back to normal. All while living the same sedentary lifestyle, if anything even more sedentary as the pandemic reduced the time I used to spend walking in and around the office. So, I'm skeptical of Pontzer's conclusions, at least as they might apply to a modern descendent of Northern European peoples, with whatever genetic metabolic adaptations that has gifted or cursed me with. I'm looking forward to your exploration of CIM.

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Thanks for doing this series, Chad.

I do remember getting Coke in the house in high school was a treat (in the early 80s); after all, two liters cost over a buck! Now, two liters still cost over a buck, or less… but I used to make five bucks an hour, and that was decent money.

At that time, though, I remember a picture in a magazine everyone was talking about. Someone had put a Coke in a bottle away and forgotten about it for a few years. When they exhumed it, the cane sugars had re-crystallized and fell out of the solution, becoming visible and filling the bottom almost half of the bottle. "Oh, noes!" people shouted, "Sweet drinks have so much sugar!"

My neighbor (before her retirement, chief biologist at a local bottling plant) pointed out to me that high-fructose corn sweetener was chosen largely because it was liquid, and would not crystallize, causing bad press.

Thus far, the fairly recent introduction of this corn shit means that it has been studied (as far as I can determine) not so much, especially when it comes to whether it adheres to the CICO model. I do hope you've tripped across something about this. Even if you haven't, no matter.

Laters!

—Perry

aka J,yAA.

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