Photo = Getty Image Bank Research has shown that adults with lactose intolerance (a condition in which they cannot digest lactose) drink milk to reduce the risk of type 2 diabetes, drawing attention.
On the 23rd (local time), Dr. Chi Chi-bin’s team at the Albert Einstein College of Medicine in the U.S. tracked and observed the genotype, milk intake, intestinal microorganisms, and blood metabolites of about 12,000 South American residents in the scientific journal Nature Metabolism to find these results. They said they had discovered a connection.
The research team explained the background of the study, saying, “Although milk is frequently included in people’s diets, the relationship between type 2 diabetes and milk consumption is controversial and varies depending on the population group.” The research team analyzed the lactase genotype of 12,653 participants in the Hispanic Community Health Study and Latino Study (HCHS/SOL), surveyed them twice about the food and drinks they consumed per day, and determined the prevalence of type 2 diabetes for an average of 6 years. The disease was followed up and observed.
Lactase is usually secreted in large quantities in newborns, but decreases as the baby grows. Some adults have the lactase persistent genotype (AA/AG), which allows them to continue secreting lactase and can easily digest dairy products such as milk even as adults. On the other hand, most adults with the lactase non-persistent genotype (GG) suffer from lactase deficiency and in many cases suffer from lactose intolerance, which prevents them from properly breaking down and absorbing lactose.
Symptoms of lactose intolerance include bloating, abdominal pain, diarrhea, and nausea. According to the research team, people with lactase intolerance decreased their risk of type 2 diabetes by about 30% for each additional cup of milk consumed per day.
Rather, the risk of type 2 diabetes is reduced when adults with lactose intolerance consume milk. However, in adults with the lactase persistent genotype, there was no significant association between milk intake and type 2 diabetes risk.
The research team reported that this relationship was also verified by analyzing data from 167,172 UK Biobank participants. The research team analyzed that this was because milk consumption led to changes in the intestinal microorganisms of individuals with lactose intolerance.
When adults with insufficient lactase secretion increased their milk intake, the types and numbers of Bifidobacterium, a beneficial bacteria, increased in the intestinal microbial community. Accordingly, it has been shown to reduce the risk of type 2 diabetes.
Meanwhile, it is known that about 75% of the world’s population suffers from lactose intolerance. People suffering from lactose intolerance can help relieve symptoms by heating milk or drinking it in small portions rather than all at once.
Jang Ji-min, Hankyung.com guest reporter [email protected]
2024-01-23 15:59:44
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