Why does Finland have so many lactose-intolerant people?

You are probably a Finn, if your name tells anything. So I wonder your question a bit. I don't know what you are comparing Finland with. Here is the general situation in the world, concerning lactose-intolerance. In the comments there is criticism against the accuracy of the first map concerning Argentina. read more

C. Population in Finland: Most have their genes are turned off. So is among populations in Greenland, South East Asia and other countries. Please review the references I indicated. You may find much correct information. read more

Approximately 75 % of Earths population is lactose intolerant for a reason, because it’s perfectly natural. The statistics vary from race to race and country to country but overall they show an abnormal amount of individuals who qualify. In some Asian countries, 90 percent of the population is lactose intolerant. read more

Lactose Intolerance by Ethnicity and Region "An estimated 65% of human adults (and most adult mammals) downregulate [decrease] the production of intestinal lactase after weaning. Lactase is necessary for the digestion of lactose, the main carbohydrate in milk, and without it, milk consumption can lead to bloating, flatulence, cramps and nausea. read more