Just how dirty is the air you breathe? The American Lung Association has released its latest list of the most polluted U.S. cities.
Just how dirty is the air you breathe? The American Lung Association just released its 2016 "State of the Air" report of the most polluted cities in the U.S. Here are the 20 cities most polluted by year-round particle pollution:
Hazel Juco/ via WXYZ and CNN
When Hazel Juco noticed the water in her high school restroom looked like urine, she snapped a photo and posted it on Facebook and Twitter.
Doctors say a medical breakthrough in radiation delivery is ensuring they hit their tumor targets. It also means less toxicity to the surrounding healthy tissue.
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