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Daily diet soda
may increase heart attack risk

NEW YORK - Diet soda may benefit the waistline, but people who drink it everyday may have a heightened risk of heart attack and stroke, according to a new US study.

Although the researchers, whose work appeared in the Journal of General Internal Medicine, found that older adults who drank diet soda every day were 44 per cent more likely to suffer a heart attack, their research did not prove that the sugar-free drinks alone were to blame. There may be other things about diet-soda lovers that explain the connection, said lead researcher Hannah Gardener, of the University of Miami Miller School of Medicine, and her team.

She and her colleagues tried to account for that, noting that daily diet-soda drinkers did tend to be heavier and more often have heart risk factors such as high blood pressure, diabetes and unhealthy cholesterol levels. Gardener and her team studied 2,564 New York City adults who were 69 years or older at the study’s start. Over the next decade, 591 men and women had a heart attack, stroke or died of cardiovascular causes — including 31 percent of the 163 people who drank a diet soda daily at the start of the study.

Overall, daily consumption of diet soda was linked to a 44-per cent higher chance of heart attack or stroke, compared with 22 per cent for people who rarely or never drank diet soda but had a heart attack or stroke.