Found at: http://www.lactaidmilk.com/ :

        As much as 70% of the world's population is unable to comfortably
        consume normal quantities of milk and is considered to be lactose
        intolerant.

        In the United States, the incidence of lactose intolerance varies for
             different populations.

                           80% of Asian Americans
                           79% of Native Americans
                           75% of African Americans
                           51% of Hispanic Americans
                           21% of Caucasian Americans
Mark Feblowitz                  GTE Laboratories Incorporated
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