When you’re pregnant, there are many things you’ll pay extra caution. The food you eat or the quality of your sleep. However, there’s something important but is also inconspicuous that many pregnant women may well neglect. That’s the quality of the air you breathe for you and your baby. Air quality is important for us, and it’s particularly critical for those who are pregnant. Studies done by School of Public Health in Columbia University, New York, have shown that kids who are exposed to the highest levels of air pollution before birth have a greater risk of attention deficit hyperactivity disorder (ADHD) symptoms than their less exposed peers. Those harmful…