Sweetened Drinks Linked to Depression in U.S. Soda Study

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Drinking more than four sweetened beverages a day, especially diet soda, doesn’t appear to be good for one’s mood, a study by the U.S. National Institutes of Health found.

In a study of more than 200,000 older adults, those who drank more than four cans of soda a day had a 30 percent greater risk of depression than those who consumed none. The same amount of fruit punch was tied to a 38 percent higher risk, according to research released today by the American Academy of Neurology. The risk was even greater for people who consumed diet drinks, whether soda, punch or iced tea.