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Exposure to lead in childhood linked to higher risk of memory issues in later life, studies show.
Studies at the Alzheimer's Association International Conference suggest that childhood exposure to airborne lead is linked to a 20% higher chance of memory problems in older adults.
Reduced lead exposure in the late 20th century may have contributed to lower dementia rates in the U.S. today.
Living near facilities that release lead is also associated with poorer memory and cognitive test scores, highlighting ongoing risks even with progress in lead abatement.
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La exposición al plomo en la infancia está relacionada con un mayor riesgo de problemas de memoria en la vida posterior, según muestran los estudios.