I am truly puzzled about that because I have known for decades, that as groups, Europeans are seldom lactose intolerant, while Asians are almost all Lactose intolerant.
Here in California, Lactose-free dairy products are exploding in popularity.
Ethnicity /
Geographic Region % With Lactose Intolerance
1. East Asian 90-100%1
2. Indigenous (North America) 80-100%3
3. Central Asian 80%1
4. African American (North America) 75%2
5. African (Africa) 70-90%1
6. Indian (Southern India) 70%1
7. French (Southern France) 65%1
8. Ashkenazi Jew (North America) 60-80%3
9. Balkans Region 55%1
Ethnicity /
Geographic Region % With Lactose Intolerance
10. Latino/Hispanic (North America) 51%2
11. Indian (Northern India) 30%1
12. Anglo (North America) 21%2
13. Italian (Italy) 20-70%1
14. French (Northern France) 17%1
15. Finnish (Finland) 17%1
16. Austrian (Austria) 15-20%1
17. German (Germany) 15%1
18. British (U.K.) 5-15%1