Is it possible that too much iron in infant formula may potentially increase risk for neurodegenerative diseases like Parkinson’s in adulthood — and are teeth the window into the past that can help us tell?

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 stated “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”