Deleted member 10167
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I know, but correlation alone doesnt imply causation. What it does imply is that both probability distributions (male height and diet) are caused by an underlying "parent distribution". That distribution could be the diet itself, which would mean that tall stature is indeed caused by a diet rich in animal protein and fats.
To get a better understanding one would have to compare more data, e.g. how wealthy are those countries or is there another feature that most countries share with tall men, that will give a more clear picture. But the correlation between diet and height alone doesnt mean that much.
An example where correlation does not imply causation is the following. There is a pretty strong correlation between per capita chocolate consumption of a country and the per capita nobel price winners, but obviously there is no direct causation between the two.
Taiwan has a GDP per capita (via Purchasing Power) that rivals that of Sweden, Norway, and the Netherlands. Yet, they are still one of the shortest Asians in the world.
Japan and South Korea are decently wealthy countries as well. South Korea clearly per capita has the tallest men, yet they would be absolutely, brutally mogged in Scandanavia, even the United States.