The bad news about diesel exhaust just keeps coming…

As described in the LA Times earlier this week, a study recently published in Environmental Health Perspective found long term exposure to Ultrafine Particulate Matter from diesel exhaust to be closely associated with heart disease, even after controlling for dozens of other factors, such as smoking and exercise.  
California scientists link tiny particles in car exhaust to heart disease, LA Times
For more information and a PDF of the study, visit Environmental Health Perspectives

Associations of Mortality with Long-Term Exposures to Fine and Ultrafine Particles, Species and Sources: Results from the California Teachers Study Cohort