(Reuters Health) – People who increase their consumption of sodas, juices and other sweet drinks over time are more likely than those who don’t to develop diabetes, a U.S. study suggests.
Researchers examined over two decades of data from more than 192,000 men and women who worked in nursing or other healthcare jobs. None of the participants had diabetes at the start of the study; by the end almost 12,000 people had developed the disease.
After accounting for how much people weighed and their overall eating patterns, researchers found that those who increased their total consumption of sugary drinks by a half serving a day over four years were 16% more likely to develop diabetes over the next four-year period. With the same daily half-serving increase in artificially-sweetened drinks, the odds went up 18%.
“Even though consumption of 100% fruit juices has been considered a healthy alternative to sugar-sweetened beverages because of the vitamins and minerals in fruit juices, they typically contain similar amounts of sugar and calories as sugar-sweetened beverages,” said Jean-Philippe Drouin-Chartier, lead author of the study and a nutrition researcher at the Harvard T.H. Chan School of Public Health in Boston.
The study results “raise concerns about the negative health effects of sugary beverages, regardless of whether the sugar is added or naturally occurring,” Drouin-Chartier said by email.
The researchers focused on type 2 diabetes in the study, the most common form of the disease, which is associated with obesity and aging.
They also found that when people replaced sodas, juices and other sugary beverages with other kinds of drinks, their risk of developing diabetes went down.
Replacing one serving a day of sugary drinks with water, coffee or tea, was associated with a 2% to 10% lowering of diabetes risk. The data did not include information about whether people added sugar to their coffee or tea, the study team notes.
The analysis also wasn’t designed to prove whether or how drink selections might directly impact the development of diabetes.
It’s possible that diet sodas and other artificially-sweetened drinks were tied to higher diabetes risk because people switched to these beverages after they developed diabetes or realized they were on track to get the disease, the study team acknowledges in Diabetes Care.
However, the results should still serve as a reminder that even some sugary drinks that people think of as healthy – like orange juice – can still lead to elevated blood sugar and contribute to the development of diabetes, said Dr. Robert Cohen, a diabetes researcher at the University of Cincinnati College of Medicine in Ohio, who wasn’t involved in the study.
“Sugary beverages that people might otherwise think of as being healthy provide a load of sugar (sucrose) which gets broken down to glucose and raises blood glucose,” Cohen said by email. “Removing or markedly reducing beverages like fruit juices can have a dramatic effect to improve blood sugar control.”
SOURCE: bit.ly/321TZI0 Diabetes Care, online October 3, 2019.
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