Generally yes: One must have asthma or a tendency for asthma. Environmental allergies can trigger asthma , such as pollen, dust mites, and pet exposure. Non allergic triggers could be cold air, respiratory tract infections, air pollutants including cigarette smoke.
Answered 10/3/2016
5.9k views
Can trigger: Certain elements in the environment can trigger an asthma exacerbation in someone who is predisposed or has asthma. But they do not "give" asthma to someone.
Answered 1/22/2015
5.9k views
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