Somerville News: Air pollution and health Post published:June 15, 2005 Post category:Health Issues “Somerville’s air is hazardous to your health” by William C. Shelton You Might Also Like Study on traffic pollution and heart attack risk September 23, 2011 EPA New England Environmental Justice Plan December 1, 2004 Freeway pollution tied to heart disease and strokes February 14, 2010