That is not a careful reading of the statistics given. The full quote: "Approximately 65 percent of the human population has a reduced ability to digest lacto

That is not a careful reading of the statistics given. The full quote: "Approximately 65 percent of the human population has a reduced ability to digest lactose after infancy. Lactose intolerance in adulthood is most prevalent in people of East Asian descent, affecting more than 90 percent of adults in some of these communities. Lactose intolerance is also very common in people of West African, Arab, Jewish, Greek, and Italian descent."