Time.com writes this week about a study that shows lower IQs in babies whose moms were exposed to polluted air.

I often wonder when I'm running along busy Fort Avenue to Fort McHenry if the exhaust is makes the exercise not worth it. I'm sure that not a good thing, but the story says adults have some coping mechanisms. Babies, particularly when they are fetuses, do not.

The story reports on a study in the journal Pediatrics that links mothers' exposure to high levels of environmental pollutants while pregnant to a four-point drop in children's IQ scores by age 5. They said that can be significant.

The researchers also point out that we know how to reduce pollution from cars and factories and are in many cases. Perhaps we should be doing more?

Associated Press file photo in Kansas