(15-12-12) Sugary beverages increase stroke risk by 83 percent

by Jonathan Benson, staff writer

(NaturalNews) New research published in the American Journal of Clinical
Nutrition (AJCN) suggests drinking sodas and other sugary beverages may
significantly increase stroke risk, particularly among women. The study out of
Japan found that, compared to women who drink virtually no sugary beverages,
women who drink about one a day are 83 percent more likely to suffer an
ischemic stroke, the most common form of stroke, and the type that involves a
blood clot blocking blood flow to the brain.

Dr. Hiroyasu Iso from Osaka University and his colleagues evaluated data
collected on 40,000 people who filled out questionnaires at three time
intervals, once in 1990, and again in 1995 and 2000. These individuals shared
details about their dietary and lifestyle habits, including how many sodas or
sugar-sweetened juices and other beverages they consumed daily. Excluded from
consideration were so-called "diet" sodas and 100 percent fruit juices.

Upon analysis, the team observed that ischemic stroke risk increased
progressively depending on how many sugary beverages participants consumed in a
given week. At lowest risk were women who drank virtually no soft drinks or
sugary beverages at all -- out of 11,800 in this group, only 205, or 1.7
percent, had an ischemic stroke in the followup years. At the same time, 28
women out of 921 who drank at least one sugary beverage per day went on to have
a stroke, representing a three percent stroke rate for this group.

"It makes sense, if (sugar sweetened beverages) increase the risk for obesity,
diabetes, insulin resistance, inflammation, then it should, in fact, raise the
risk for cardiovascular disease, and that's what we're seeing," said Dr. Adam
Bernstein from the Cleveland Clinic, who was not directly involved with the
research, about the study. "No single strategy is going to solve the problem,
and I think a multi-pronged approach is going to work."

Earlier study finds diet sodas increase stroke risk, too
Much to the confusion of the research team, stroke risk did not appear to rise
among men using the same parameters as for women. Dr. Bernstein suggests that
this may be a result of other factors, such as men choosing to drink fewer
sodas after learning that they are already at risk of having a stroke down the
road. Another factor may include the fact that men typically have faster
metabolism rates than women, which means their bodies process sugars
differently.

A review from earlier this year found similar results from soda consumption.
Researchers from both Harvard University and the Cleveland Clinic's Wellness
Institute determined that both sugary and diet sodas increase stroke risk among
both men and women. Dr. Bernstein, who was involved with this earlier research,
suggested at the time that perhaps caramel coloring, a synthetic chemical often
added to soda beverages, may be a cause of chronic inflammation, which in turn
leads some to suffer heart disease and stroke.

Sources for this article include:

http://www.reuters.com

http://www.aarp.org

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