Teeth Can Reveal A Lifetime Of Exposure To Metals And Toxins

  • Posted on: Aug 12 2015

Your teeth can say a lot of about you and reveal a lot about your medical history and life. A recently study found that by studying a person’s teeth, experts can determine how much metals and toxin a person has been exposed to since birth.

“Teeth are of particular interest to us for the measurement of chemical exposure in fetal and childhood development: they provide a chronological record of exposure from their microchemical composition in relation to defined growth lines, much like the rings in a tree trunk,” said Manish Arora, BDS, MPH, PhD, Director of Exposure Biology at the Senator Frank Lautenberg Environmental Health Sciences Laboratory at Mount Sinai and Associate Professor in Preventive Medicine and Dentistry at the Icahn School of Medicine. “Our analysis of iron deposits in teeth as a method for retrospective determination of exposure is just one application: we believe teeth have the potential to help track the impact of pollution on health globally.”

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