Asthma trigger: One puff of cigarette smoke or just plain exposure to second-hand smoke can trigger an asthma attack.
Answered 8/11/2012
5.7k views
None...: There is no number of cigarettes that are considered "safe". Even one cigarette causes airway inflammation that can lead to diseases like asthma, copd, various cancers, etc. See your doctor for help with smoking cessation.
Answered 9/6/2019
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