"no safe level of exposure" is facially absurd. One atom of lead (or any element) is going to poison you? Come on. There might not be a practical way to keep e

"no safe level of exposure" is facially absurd. One atom of lead (or any element) is going to poison you? Come on. There might not be a practical way to keep exposure to a substance low enough to be safe but that sort of nuance is not dramatic enough to sell an article!