Study Links Air Pollution to Childhood Behavior Problems

Simone Ramella/CC BY 2.0Everyone knows that tobacco or alcohol use during pregnancy can have a negative impact on a developing child's health -- but it turns out there's another dangerous environmental factor which might not be so easy to avoid. According to a new study from Columbia University, researchers found children born to mothers who were exposed to high levels of exhaust fumes during pregnancy were more likely to exhibit

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