“Walmart and Sam’s Club are committed to the health and safety of our customers and members and to providing products that are safe and compliant, all supported by our health and wellness, product sa...

"If you were eating shrimp all the time, like on a daily basis, then there might be more concern," Kowalcyk told the NYT.

The Food and Drug Administration has warned the public not to consume a brand of frozen shrimp sold at Walmart stores in 13 states because it may have been exposed to radioactive material.