A common brand of crayons may be contaminated with asbestos.
The U.S. Public Interest Research Group Education Fund claims trace amounts of asbestos were found inside Playskool crayons sold at Dollar Tree.
Asbestos can cause lung cancer and mesothelioma.
Hasbro, Playskool’s parent company, said they are investigating the claims.
The U.S. PIRG also said Jot brand three-ring binders tested positive for phthalates. Studies have linked phthalates to asthma, childhood obesity and lower IQ scores.
The group also found benzene in Board Dudes dry-erase markers. Benzene is a human carcinogen linked to leukemia, anemia and cardiovascular disease.
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