Sweetened drinks linked to greater diabetes risk

A new study conducted at the University of Toronto has revealed that fruits and other foods that contains fructose seem to have no harmful effect on blood glucose levels. However, sweetened drinks and eatables that add excess energy to diets may have negative effects.

ANI | Published: November 23, 2018 10:07 am

Fruits and other foods that contains fructose seem to have no harmful effect on blood glucose levels. ©Shutterstock

According to a recent study, fruits and other foods containing fructose seem to have no harmful effect on blood glucose levels, while sweetened drinks and eatables that add excess energy to diets may have negative effects.

The study appeared in the journal BMJ. The role of sugars in the development of diabetes and heart disease attracts widespread debate and increasing evidence suggests that fructose could be particularly harmful to health.

“These findings might help guide recommendations on important food sources of fructose in the prevention and management of diabetes,” said study author and Dr. John Sievenpiper.

Fructose occurs naturally in a range of foods, including whole fruits and vegetables, natural fruit juices and honey. It is also added to foods, such as soft drinks, breakfast cereals, baked goods, sweets, and desserts as ‘free sugars’. Current dietary guidelines recommend reducing free sugars, especially fructose from sweetened beverages, but it is unclear whether this holds for all food sources of these sugars.

Researchers based at St. Michael’s and the University of Toronto in Canada analysed the results of 155 studies that assessed the effect of different food sources of fructose sugars on blood glucose levels in people with and without diabetes monitored for up to 12 weeks.

Results were based on four study designs: substitution (comparing sugars with other carbohydrates), addition (energy from sugars added to diet), subtraction (energy from sugars removed from diet), or adlibitum (energy from sugars freely replaced).

Outcomes were glycated hemoglobin or HbA1c (amount of glucose attached to red blood cells), fasting glucose, and fasting insulin (blood glucose and insulin levels after a period of fasting).

The results show that most foods containing fructose sugars do not have a harmful effect on blood glucose levels when these foods do not provide excess calories. However, a harmful effect was seen on fasting insulin in some studies.

Analysis of specific foods suggest that fruit and fruit juice when these foods do not provide excess calories may have beneficial effects on blood glucose and insulin control, especially in people with diabetes, whereas several foods that add excess “nutrient poor” energy to the diet, especially sweetened drinks and fruit juice, seem to have harmful effects.

The low glycaemic index (GI) of fructose compared with other carbohydrates, and higher fibre content of fruit, may help explain the improvements in blood glucose levels, by slowing down the release of sugars, according to the researchers. (ANI)

Source: ANI

Published: November 23, 2018 10:07 am

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