Exposure to small amounts of lead leaves lasting scars on poor children, as research increasingly links the toxic metal to violence and academic failure.
Childhood lead exposure in the United States is ubiquitous and much more concerning than previous estimates have suggested, according to a new study.
Leaded gasoline is no longer used anywhere in the world, according to the United Nations Environmental Program (UNEP). Algeria, the last country left using leaded gasoline, finished its stockpile in July.
For each 5 micrograms per deciliter more lead they carried as children, the study participants lost an average of 2 IQ points by age 45. They also had slightly more than 1 square centimeter less cortical surface area.
