Possible: Sometimes this happens in young, tall and athletic individuals for no apparent reason. Sometimes associated with an underlying lung disease, but generally it is a mechanical problem. Sometimes it is recurrent.
Answered 4/9/2013
5.8k views
Best wishes: Our best wishes to you and your friend. The risk factors for primary and secondary spontaneous pneumothorax (sp) include: smoking (including marijuana), tall thin stature in otherwise healthy, connective tissue disorders, pregnancy, familial history. Lung inflammation is also hypothesized to be important.
Answered 4/17/2019
5.3k views
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