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    Diet Soft Drinks and Women's Hearts

    Those who consumed the most had highest risk, but the study results are preliminary

    WebMD News from HealthDay

    By Brenda Goodman

    HealthDay Reporter

    SATURDAY, March 29, 2014 (HealthDay News) -- Women who are heavy consumers of diet drinks might be more likely to experience heart attacks, dangerous blood clots and other cardiovascular problems than those who rarely or never consume artificially sweetened beverages, according to a large, new study.

    The findings come from a study of nearly 60,000 healthy postmenopausal women in the United States. Participants were asked to estimate how many artificially sweetened drinks they'd had each day for the past three months. Diet soft drinks and low-calorie fruit drinks were counted toward the daily total.

    Researchers divided the women, whose average age was 63, into four groups based on their overall consumption. The heaviest consumers had two or more diet drinks a day. The next group had five to seven artificially sweetened drinks a week. The third group had one to four drinks a week. The least frequent consumers said they never or only rarely indulged in diet drinks, reporting between zero and three in a month.

    About nine years later, researchers checked to see how many women had experienced any of these heart-related problems: heart attacks; strokes; blood clots that threaten the legs, arms, organs or head; surgery to reopen clogged arteries; heart failure; or death from heart trouble.

    Heavy consumers of diet drinks were about 30 percent more likely to have suffered heart trouble during the course of the study than women who rarely or never had artificially sweetened beverages. Nearly 9 percent of frequent consumers had a serious heart event compared to about 7 percent of women who rarely or never indulged.

    "This is not the first study to show a relationship between diet soda intake and the risk of stroke and cardiovascular disease," said Susie Swithers, a professor of psychological sciences at Purdue University who was not involved in the study.

    "This shouldn't be a surprise to us anymore," said Swithers, who is studying the effects of artificial sweeteners in animals.

    The findings are scheduled for presentation Sunday at the annual meeting of the American College of Cardiology, in Washington, D.C.

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