>I wonder where you got the idea of "colder European" vs. "warm Asian" climate. No kidding. Oslo, annual average, 6.5C, Beijing : 12.5C. That's 59 latitude vs.

>I wonder where you got the idea of "colder European" vs. "warm Asian" climate. No kidding. Oslo, annual average, 6.5C, Beijing : 12.5C. That's 59 latitude vs. 39, different Sun angle, longer days, etc... you know. And, btw, northern Chinese noticeably taller than south. >The genetic difference between different peoples is not large enough to justify treating milk as essential for some group of people but not for others. the study mentioned above explicitly describes the results of consuming milk vs. not consuming due to genetic difference. To me the difference is essential (grew in Russia). As result of evolution in Norway and overall Europe, people there also treat milk as essential.