“Humans who continued lactase production were more likely to suffer when meat and plant material were unavailable. Genetic testing indicates that lactase persistence evolved separately among subgroups of Europeans and Africans, illustrating the strong environmental pressure for phenotypic processing of milk products based on cultural practices. In culture that do not practice dairy farming, such as many areas of Asia, lactase persistence is low.” EvolutionIntoleranceDairyEnzymeLactaseSugars Book:A Guide to the Psychology of Eating Source: A Guide to the Psychology of Eating
“I like cheddar. And goat cheese, the soft kind that you can spread. It's really good with fig jam." "I especially like cheesecake." "Everyone likes cheesecake." "Except the lactose intolerant," Jack said. "Mm-hmm, it's probably a cruel joke to them," Calisa said. "Cake but not." Jack frowned. "You're right. In that case, we shouldn't serve it." "Unless you use cream cheese with lactase." "You can do that?" She knew it existed, but she'd never baked with it before. "I made a regular cheesecake last year. Trick is you have to cool it gradually, or it cracks. Probably same process.” Food For ThoughtCheesecakeCheesesLactase Book:The Faraway Inn Source: The Faraway Inn