@CNN: Scientists believe they have discovered the first examples of air pollution traveling through the bloodstream of pregnant women and into their placentas, possibly reaching their fetuses https://t.co/HEK1TfLLqa https://t.co/sXuJDlarFJ

@CNN: Scientists believe they have discovered the first examples of air pollution traveling through the bloodstream of pregnant women and into their placentas, possibly reaching their fetuses https://t.co/HEK1TfLLqa https://t.co/sXuJDlarFJ