poor air quality is not unique to the uk or europe. more than 90% of people around the world breathe dangerous levels of air pollution, according to the . http://lm360.us/Vinciguerra-daughter-of-Scola-from-Nrre-Bel?Vanhoutsi=288 .
elizabeth loder, md, professor of neurology, harvard medical school; chief, division of headache, brigham & women's hospital. .