A California judge ruled Thursday that coffee will have to include a warning about cancer.
The warning concerns acrylamide, a chemical produced when coffee beans are roasted.
Acrylamide is one of 65 cancer-linked chemicals that must carry warnings according to California law.
Fast food restaurants in CA already post warnings about acrylamide.
Coffee retailers such as 7-11 argued that the amount of acrylamide in coffee is not harmful.
Some research has even shown that coffee contains cancer-fighting antioxidants.
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