A major new study has linked air pollution to increased mental illness in children,even at low levels of pollution.~1 The new research found that relatively small increases in air pollution were associated with a significant increase in treated psychiatric~2 problems.It is the first study to establish the link but is consistent with a growing body of evidence that air pollution can affect mental A major new study has linked air pollution to increased mental illness in children, even at low levels of pollution. ~ 1 The new research found that relatively small increases in air pollution were associated with a significant increase in treated psychiatric ~ 2 problems. It is the first study to establish the link but is consistent with a growing body of evidence that air pollution can affect mental