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Study: Inhaling Auto Emissions Turns Good Cholesterol Bad

Study: Inhaling Auto Emissions Turns Good Cholesterol Bad

A new study suggests that inhaling motor vehicle emissions is bad for a person's cholesterol.  Researchers at the University of Washington and UCLA say it may transform good, protective cholesterol into a bad, artery-clogging kind.  That increases the risk of heart disease and stroke.  The study adds to a field of evidence linking air pollution with heart disease.  Researchers used mice to come up with their findings.  They say further study in humans will be required in the future.