The safety of soda has been in the news a lot lately. The news even seems bad for diet coke, which hits close to home for me given my diet coke addiction. The worst seems to be this correlative study proposing a link between diet sodas and stroke risk:
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.
Disturbing news, however, it’s still just a correlative finding from the Northern Manhattan studyand until things are studied more rigorously, I probably won’t quit my current caffeine source. After all, it can reflect patients who are drinking diet drinks because they are diabetic, a known cardiovascular risk factor not excluded in their analysis.
Now the Center for Science in the Public Interest (CSPI) has entered the soda fray with a report suggesting the caramel coloring has unacceptably high levels of a carcinogen called 4-methylimidazole.
An independent study commissioned by the Center for Science in the Public Interest (CSPI) uncovered 4-methylimidazole, or 4-MI, in Coke, Diet Coke, Pepsi and Diet Pepsi at levels 4.8 times greater than those allowed in beverages in California.
4-MI is a byproduct of the reaction that produces the caramel coloring in brown sodas. The chemical has been found to be carcinogenic in animal studies.
The state of California has banned 4-MI in any amount that could potentially lead to one cancer case in 100,000 people. However the levels found in these 4 leading Cola brands indicated a lifetime risk of 5 cancers out of 100,000, assuming that people drink one soft drink per day. That risk rises to 10 cancers out of 100,000 people who drink only soft drinks containing caramel coloring.
But what is the evidence this level of 4-MI could pose a health risk?
Continue reading “CSPI overblows the cancer risk of caramel coloring in soda”