Research links tobacco smoke and roadway air pollution with childhood obesity

The source of virtually all roadway air pollution emissions is the exhaust (Photo credit: Wikipedia)

The study, to be posted online Wednesday, Nov. 12, 2014 in Environmental Health Perspectives, shows increased weight gain during adolescence in children exposed to secondhand tobacco smoke or near-roadway air pollution, compared to children with no exposure to either of these air
pollutants. The study is one of the first to look at the combined
effects on body mass index of exposure to both near-roadway air pollution and tobacco smoke. The
effects were substantially greater in children exposed to both air
pollutant mixtures than to either alone.