Prenatal exposure to common household chemicals linked with substantial drop in child IQ

Children exposed during pregnancy to elevated levels of two common chemicals found in the home—di-n-butyl phthalate (DnBP) and di-isobutyl phthalate (DiBP)—had an IQ score, on average, more than six points lower than children exposed at lower levels, according to researchers at Columbia Uni…

Prenatal exposure to common household chemicals linked with substantial drop in child IQ