I never understood this one. The Mongols and similar peoples are shown as being largely lactose-intolerant by the map, yet we all know they were historically largely dependent on milk for food.
The Mongols largely used mare’s milk. I wonder how its lactose concentration differs from that of cows.
They made the milk into yogurt, which is much lower in lactose than milk.
yet we all know they were historically largely dependent on milk for food.