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Your Child Might Be Allergic to Sidewalk Chalk

Heads up, parents! Certain varieties of dust-free chalk contain casein – a milk protein that can cause severe reactions in kids who are allergic to milk. It can start with coughing, wheezing, or a runny nose, and worsen until they’re having an asthma attack. Casein is sneaky. It’s found in certain glues, inks, and paper products that are commonly...