How Your Teeth Tell a Story About Your Health

Manish Arora studies a young boy’s tooth on his computer screen, searching for crucial details about the child’s past. The boy, 10 — we’ll call him Max — lives outside a poor community in Mexico City where lead exposure is a chronic problem. And it shows in the tooth. Max has been around lead from polluted air and water — and even food, because the metal leaches from lead-glazed pottery. Sourced from

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