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Coal plant emissions may be damaging infant DNA. Babies born during a coal plant’s operation in China had shorter telomeres than those born after the plant’s closure.

Earlier studies found that a pollutant in coal plant emissions called polycyclic aromatic hydrocarbons (PAHs), was able to damage DNA in infants but that this occurred at lower levels in the cohort of babies born after the plant had shut down, indicating less exposure.

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