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Lactose is a sugar found naturally in milk. To digest it, it must possess an enzyme called lactase,darkfall gold, which mammals have at birth. In all terrestrial mammals, lactase production ceases almost completely after weaning.

In the case of humans, this enzyme decreases on average by 90% to 95% in early infancy. However, some ethnic groups continue to produce lactase into adulthood. They say those who do more than they are lactose intolerant: when drinking milk, they suffer from various degrees of bloating, gas, flatulence and cramps.

By ethnic group, the prevalence of intolerance ranges from 2% to 15% in Northern Europeans, up nearly 100% among Asians. Given this wide variation, researchers are still wondering if the lack of lactase after weaning is the “normal” and if it persists among the peoples of Europe would be a change “abnormal” from natural selection.

Drinking milk, is it natural?

We often hear that drinking cow’s milk is not “natural” since no animal drinks the milk of another species. It is said that man is the only mammal that drinks more milk in adulthood. In the Milk Producers of Canada, it contends that, following the same logic, grow vegetables, clothing or eating tofu is not more “natural”, and we’re also the only species to plant, harvest and to grind wheat … Finally, they point out that since prehistoric times, humans consume the milk of cows, camels and sheep.

“If, genetically, humans are programmed not to drink milk in adulthood,tibia gold, it is not necessarily programmed to drink soy milk either. The only reason why cow’s milk is the primary cause of allergies in children is that most of them drink. If 90% of children drank milk, soy, soy might be the primary cause of allergies, “argued, Le Devoir, Dr. Ernest Seidman, chief of Gastroenterology at the Hospital Sainte - Justine de Montréal.