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 Studies on Somerville pollution near highways November 20, 2008 Car exhaust tied to stroke risk February 14, 2012 A visual summary of why better transportation keeps you healthy December 2, 2012