Air Pollution Harms Babies' Brain Development in the Womb

March 25, 2015 3:02 PM

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Air Pollution Harms Babies' Brain Development in the Womb

It makes sense that an expectant mom’s exposure to pollutants in the air can affect her still-growing baby’s lungs and respiratory system. But there’s increasing evidence that such compounds can also harm brain development and contribute to behavioral and cognitive problems later in childhood.

In this study, they recruited 40 mothers and their children living in the inner city who were participating in an ongoing study of pollution’s effect on development. They were selected because they had low exposure to environmental factors other than PAHs that could affect development, such as tobac...

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