Sure, most people hear radioactive, and think of Chernobyl, cancer, and Godzilla. In reality, radiation is everywhere, and it's a question of levels and risk.

Sure, most people hear radioactive, and think of Chernobyl, cancer, and Godzilla. In reality, radiation is everywhere, and it's a question of levels and risk. I doubt the radiation in bricks would compare to the exposure to radon in the typical house.