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Say No to Diet Soft Drinks

In previous research, scientists using information collected from the National Health and Nutrition Examination Survey (NHANES), a long-term collection of studies designed to assess the health and nutritional status of adults and children in the US, had found a link between sugar containing sodas and urinary protein. However, they did not collect data on any kidney function changes related to drinking sweetened sodas. So, in their second study, Dr. Lin and Dr. Curhan, decided to specifically check for any kidney function decline in women who drink sodas regularly. Once again, they used data from the Nurses' Health Study.

In a statement for the media, Dr. Lin reported they found “a significant two-fold increased odds, between two or more servings per day of artificially sweetened soda and faster kidney function decline; no relation between sugar-sweetened beverages and kidney function decline was noted.” Moreover, this association persisted even when the researchers accounted for age, obesity, high blood pressure, cardiovascular disease, physical activity, calorie intake, diabetes and cigarette smoking. Clearly, artificially sweetened sodas are detrimental to kidney health.

“There are currently limited data on the role of diet in kidney disease,” said Dr. Lin in a statement to the press. “While more study is needed, our research suggests that higher sodium and artificially sweetened soda intake are associated with greater rate of decline in kidney function.”

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