Emily
Editor, Senior Moderator
http://www.sciencedaily.com/releases/2010/07/100715090651.htm
ScienceDaily (July 16, 2010) ? Smokers who are exposed to wood smoke, either through home heating and cooking or through ambient neighborhood pollution, are not only at increased risk of COPD, but are also more likely to have epigenetic changes in the DNA that further increase their risk of COPD and related pulmonary problems....(continued at link above)