Consumption of heavy metals has been shown to increase the risk of developmental and health problems. The American Academy of Pediatrics has found that even small amounts of lead affect behavior, IQ scores and academic achievement.
“It’s hard to get a low lead” level in certain foods, said Mark Corkins, division chief of pediatric gastroenterology, hepatology and nutrition at the University of Tennessee Health Science Center. “To be honest, there’s nothing that’s going to be completely free of any contamination.”