Baby teeth hold clues to the harms of toxic metals for infants — and older kids
By analyzing layers in these teeth, scientists have pinpointed a critical window when baby brains are most vulnerable to toxic metals — and linked that to behavior problems later in life.
By analyzing layers in these teeth, scientists have pinpointed a critical window when baby brains are most vulnerable to toxic metals — and linked that to behavior problems later in life.
This article was originally published at: https://www.npr.org/2026/04/29/nx-s1-5803561/baby-teeth-t...