Health

 

STUDY: A Diet Soda A Day Kills You 61 Percent Quicker

msnbc.com | 02/09/11

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Read More: diet soda, heart disease, stroke

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Just as you were starting to feel virtuous for having switched from sugary sodas to low- or no-calorie substitutes, a new study comes along suggesting that diet sodas might be bad for your head and your heart.

The study, which followed more than 2,500 New Yorkers for nine or more years, found that people who drank diet soda every day had a 61 percent higher risk of vascular events, including stroke and heart attack, than those who completely eschewed the diet drinks, according to researchers who presented their results today at the American Stroke Association’s International Stroke Conference in Los Angeles.

Still, the researchers aren’t ready to tell consumers to skip diet sodas. More studies need to be done before that happens, said the report’s lead author Hannah Gardener, an epidemiologist at the University of Miami Miller School of Medicine.

“I think diet soda drinkers need to stay tuned,” Gardener said. “I don’t think that anyone should be changing their behaviors based on one study. Hopefully this will motivate other researchers to do more studies.”

That advice may not stop some from skipping their diet drinks. “This is pretty scary,” said Denise Gainey, a 49-year-old administrative assistant from Amelia, Va. Worried that she might have inherited a higher risk of heart disease, Gainey wants to be careful. “I guess I’ll just be drinking a lot more water,” she said.

For the new study, researchers surveyed 2,564 north Manhattan residents about their eating behaviors, exercise habits, as well as cigarette and alcohol consumption. The study volunteers were also given physical check-ups that included blood pressure measurements and blood tests for cholesterol and other factors that might affect the risk for heart attack and stroke.

The increased likelihood of vascular events remained even after Gardener and her colleagues accounted for risk factors, such as smoking, high blood pressure and high cholesterol levels. Pointing the finger more squarely at diet drinks, the researchers found no increased risk among people who drank regular soda.

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“I don’t think that anyone should be changing their behaviors based on one study. Hopefully this will motivate other researchers to do more studies.”

That is the most sensible thing here, and it's nice to see a researcher admitting that one study doesn't mean an awful lot, beyond being an indicator that more research is needed. That doesn't happen often enough.

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