The FDA advises consumers not to eat the recalled products. Traces of Cesium-137 are widespread in the environment including food, soil and air. The primary health risk is through long-term, repeated low-dose exposure, which can increase the risk of cancer.

Walmart has recalled frozen, raw shrimp sold in 13 states because federal health officials say it could have potential radioactive contamination.

The FDA advises consumers not to eat certain shrimp products from Walmart over possible radioactive contamination. What to know about the recall.