Group claims Pepsi still using carcinogen in soda formula
July 3, 2013 (WLS) -- An environmental group claims Pepsi contains a chemical linked to cancer, even after the drink maker said it would change its formula.
The Center for Environmental Health says testing detected traces of the carcinogen 4-mel in the soda's caramel coloring.
In March, Pepsi and Coca-Cola said they would adjust their formulas after California passed a law mandating drinks containing a certain level of carcinogens come with a cancer warning label.
Pepsi says its sodas should transition to the new caramel coloring by February.
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