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Teeth contain detailed records of lead contamination in humans and other primates

By Tanya M. Smith, Professor in the Australian Research Centre for Human Evolution & Griffith Centre for Social and Cultural Research, Griffith University
Christine Austin, Assistant Professor of Environmental Medicine and Public Health, Ichan School of Medicine
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Like rings in tree trunks, the layers of our teeth carry a detailed record of our growth — and reveal lead contamination is common.


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