23 January 2018

Only without sugar!

Scientists have not found a link between 100% fruit juice and diabetes

Nadezhda Potapova, N+1

American scientists conducted a meta-analysis of articles that studied how the use of natural fruit juice without added sugar affects the risk of developing type 2 diabetes. For those who regularly drank such juice, they found no significant correlation with changes in glucose and insulin levels, nor with an increased risk of developing diabetes. The article was published in the Journal of Nutritional Science.

The number of people with diabetes is constantly growing in the world. According to the World Health Organization, between 1980 and 2014, the percentage of adults with this disease increased from 4.7 to 8.5 percent. Due to its widespread prevalence and associated consequences for both health and the economy, diabetes is a recognized public health problem. Especially overweight and obese people are predisposed to this disease, so much attention is paid to monitoring their proper nutrition and healthy lifestyle. But not all recommendations regarding the diet are accepted unanimously by scientists, and sometimes disputes arise among them.

The question that the scientific community could not agree on is how much natural fruit juice can affect the risk of developing diabetes. On the one hand, the authors of diets claim that fruits should be included in your diet, and on the other hand, they recommend limiting the consumption of fruit juices. The results of scientific studies that tested the relationship between the consumption of such juices and the risk of developing type 2 diabetes often contradicted each other. Therefore, the authors of the new article decided to make a meta-analysis of 18 articles in which studies were conducted with randomized controlled trials.

Scientists looked at the difference in insulin and glucose levels in the blood between groups who often drank fruit juices without added sugar and those who did not drink them. In total, the meta–analysis covered 957 people, of which 478 people were in the test group, and 479 were in the control group. Insulin and glucose levels were used as markers of the risk of developing type 2 diabetes. The authors tried to cover as much information as possible for most of the juices consumed, so they included articles with apple, berry, citrus, grape and pomegranate juices in the study. They conducted a statistical analysis and found out that the use of these juices does not have any significant effects on insulin and glucose indicators.

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