Does a high animal protein/fat diet forestall obesity?

Don Matesz had an interesting blog post the other day that I tweeted:  Grass-Fed Animal Products Prevent Obesity and Cardiovascular Disease?  He writes:

Not for Mongolians.

Mongols eat a diet largely composed of milk products, meat, and fat from free-ranging, organic, grass-fed animals. They consume few plant foods because few edible plants grow in the cold continental climate of Mongolia. The climate forced them into a natural experiment in low-carb nutrition based on grass-fed animal products.

I have an interest in Mongolians because there's definitely some influence of these people in my husband's ancestral line.   I went looking for any peer review literature that might address the Mongolians and found an interesting article.  But before that, I also found some other info.  Don points out in a note to WAPF (presumably aimed at their promotion of raw milk) that the Mongols boiled their milk and made cheese from it.  But one of the accountings of the diets comes from the WAPF site:  Diet of Mongolia.  

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