Nine to 33 million visits to the emergency room (ER) for asthma worldwide may be triggered by breathing in air polluted by ozone or fine particulate matter — pollutants that can enter the lung’s deep airways, according to a new study.
Nine to 33 million visits to the emergency room (ER) for asthma worldwide may be triggered by breathing in air polluted by ozone or fine particulate matter — pollutants that can enter the lung’s deep airways, according to a new study.