A strong increase in blood insulin levels after a meal may protect against type 2 diabetes. The research was published in the journal eClinicalMedicine.
Typically, insulin levels rise after a meal in response to a rise in blood sugar. Some doctors and scientists believe that the increase in insulin, especially after consuming carbohydrates, contributes to weight gain, decreased insulin sensitivity and the development of type 2 diabetes. A new study refutes this hypothesis: On the contrary, an increase in insulin is associated with a lower risk of diabetes.
The trial involved 306 pregnant women from 2003 to 2014. They underwent a comprehensive examination one, three and five years after birth. A glucose test was also performed: Sugar and insulin levels were measured at various times after the patient drank a sweet drink containing 75 grams of glucose.
The analysis showed that pancreatic beta cells worked better in patients who had the largest insulin spikes after meals. These cells produce insulin, and the better they do this, the lower the risk of diabetes.
“This study challenges the idea that high postprandial insulin levels are inherently harmful and is an important step forward in our understanding of insulin’s complex role in regulating metabolism,” the scientists said.
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