According to The Sensitive Gut, a book published by Harvard Medical School, it has been estimated that “up to 70 percent of the world’s population has some sort of problem with lactose. ”
Menurut The Sensitive Gut, sebuah buku yang diterbitkan Fakultas Kedokteran Harvard, diperkirakan bahwa ” hingga 70 persen populasi dunia memiliki suatu taraf problem dengan laktosa ”.