What Race Is Most Affected By Lactose Intolerance?

What Race Is Most Affected By Lactose Intolerance? Lactose intolerance in adulthood is most prevalent in people of East Asian descent, with 70 to 100 percent of people affected in these communities. Lactose intolerance is also very common in people of West African, Arab, Jewish, Greek, and Italian descent. Who is most affected by lactose