A new study shows morning rush hour traffic could be contributing to a larger health risk.

FOX's Colleen Cappon has more in today's "Housecall for Health":

Scientists are finding that congested cities are fast becoming test tubes because of their all-too-common traffic jams.  Tailpipe exhaust from cars has already been proven to increase the risk of heart disease, cancer, and respiratory ailments.  But new research found the tiny carbon particles may also injure brain cells and memory.  The researchers analyzing the effects of traffic pollution say that the data is a cause for real concern.

Housecall for Health.  I'm Colleen Cappon, FOX News Radio.