Are you at risk of asthma?

Your risk of asthma does increase with the number of risk factors you have, and asthma may develop even if you don't currently have any of the risk factors.

The following may increase your risk of asthma:

  • family history
  • allergies
  • low birth weight
  • obesity
  • multiple respiratory infections during childhood
  • exposure to secondhand smoke (even during fetal development)
  • age - although asthma can develop at any age, it is more common in childhood
  • frequent exposure to potential allergens or irritants - these can include dust mites, secondhand smoke, pet dander, and workplace irritants or chemicals (e.g., toluene)
  • gender - during childhood, boys develop asthma more frequently than girls; however, this rate of occurrence changes after puberty so that more adult women than men develop asthma

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