Danish study – “Exercise Good for Asthma, COPD Even With Pollution Exposure Outdoor activity should be encouraged, with caveats”

Article in Medscape: http://www.medpagetoday.com/clinical-context/COPD/60465?xid=nl_mpt_DHE_2016-09-27&eun=g848991d0r&pos=4 Primary Source American Journal of Respiratory and Critical Care Medicine Source Reference: Fisher, JE, et al "Physical activity, air pollution and the risk of asthma and chronic obstructive pulmonary disease" AJRCCM 2016; DOI: 10.1164/rccm.201510-2036)C.