By Dr. Brian McDonough

PHILADELPHIA (CBS) – This week is National Lead Poisoning Prevention Week, and several organizations are asking that families with young children get their homes tested for lead.

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If your house or apartment building was built or painted before 1978 , the Environmental Protection Agency and the Centers for Disease Control and Prevention say you might want to get your home tested for dust from lead-based paints.

This is particularly important in a city like Philadelphia, where many of the homes are older, and have been painted with lead-based paint.

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Lead paint is a hazard in 38 million homes nationwide.

According to the CDC, childhood lead poisoning is the most preventable environmental disease among young children.

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