Question: What Causes Asthma?
Get answers to your most pressing questions about asthma causes.
Answer: Health experts do not really know what causes asthma exactly. The fact is, some people will develop asthma, while others who seem to have the same risk factors will not. However, it can be helpful to know which risk factors you may have, so that—if possible—you can work to reduce your risk.
More Asthma Q&A